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Prove that root3 is an irrational number.

Posted by Akshay Kumar 2 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Harshita Saini 2 years, 10 months ago

Let √3 is rotational number :- √3 = p/q are co prime integers & q is not equal to 0 = 3 = p²/q² = P² = 3 × q²......(1) 3 is a factor of p² = 3 is a factor of p...(2) So p=3×m [m is any integer] (let) :- form (1) 9m²=3q² = q²=3m² :- 3 is a factor of q² = 3 is a factor of q.....(3) From (2) and (3) 3 is a common factor of both p&q It contradicts our supposition that p&q are co prime integers. Hence are supposition is wrong. :- √3 is irrational Hence proved

Itz__Kritika Koli 🖤 2 years, 10 months ago

Let √3 is rotational number :- √3 = p/q are co prime integers & q is not equal to 0 = 3 = p²/q² = P² = 3 × q²......(1) 3 is a factor of p² = 3 is a factor of p...(2) So p=3×m [m is any integer] (let) :- form (1) 9m²=3q² = q²=3m² :- 3 is a factor of q² = 3 is a factor of q.....(3) From (2) and (3) 3 is a common factor of both p&q It contradicts our supposition that p&q are co prime integers. Hence are supposition is wrong. :- √3 is irrational Hence proved

ANSWER

Chemical formula of petrol.

Posted by Anuj Maddheshiya 2 years, 10 months ago

CBSE > Class 10 > Science

1 answers

Anuj Maddheshiya 2 years, 10 months ago

CnH2n+2

ANSWER

Make a Quadritic polynomial equation whose root is 7,-2

Posted by Navleen Kaur 2 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Megha Tanwar 2 years, 10 months ago

Sum of roots =-b\a 7+(-2)=-5/1 Product of zeoes = c/a 7×-2=-14/1 So quadratic equation Ax^2-bX+c=0 1x^+5x-14=0

Omya Aryan 2 years, 10 months ago

x²-5x-14=0

ANSWER

What are the features of primitive subsistence farming?

Posted by Karan Bora 2 years, 10 months ago

CBSE > Class 10 > Social Science

1 answers

Hamreen Kaur Virk 2 years, 10 months ago

subsistence farming uses community or family labour. Primitive subsistence farming makes use of primitive tools like digging sticks, dao, and hoe. Primitive subsistence farming is practised on small patches of land. Primitive subsistence farming depends upon different environmental conditions, natural fertility of the soil, and the monsoon. Primitive subsistence farming is slash and burn agriculture

ANSWER

लोकतंत्र के समर्थन हेतु युग के प्रमुख कारणों का उल्लेख कीजिए

Posted by Tripti Tiwari 2 years, 10 months ago

CBSE > Class 10 > सामाजिक विज्ञान

2 answers

Sunny Verma 2 years, 10 months ago

Sir

Sunny Verma 2 years, 10 months ago

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How many types of nutrition are there?Give examples.

Posted by Mahi Saini 2 years, 10 months ago

CBSE > Class 10 > Science

3 answers

Anonymous 2 years, 9 months ago

2 types of nutrition are there 1. Autothropic 2.heterothropic

P.Rakesh Kumar 2 years, 10 months ago

2

P.Rakesh Kumar 2 years, 10 months ago

7

ANSWER

How do living organism work

Posted by Arpan Gupta 2 years, 10 months ago

CBSE > Class 10 > Science

1 answers

Preeti Dabral 2 years, 10 months ago

Cells are the building blocks of the living world. Living things as diverse as bacteria, archaea, algae, fungi, protozoans, animals, and plants all consist of one or more cells. Cells are made up of components that help living things to eat, respire, excrete wastes, and perform all of the necessary functions of life.

ANSWER

BEST OF LUCK FOR ALL.....

Posted by Tejas T. 2 years, 10 months ago

CBSE > Class 10 > Social Science

3 answers

Tejas T. 2 years, 10 months ago

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Khushpinder Kaur 2 years, 10 months ago

Gyzs we all will do our best .....be+....good luck to all

Tejas T. 2 years, 10 months ago

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What is satyagraha ? State the main feautures of satyagraha

Posted by Stita Prangya Sahoo 2 years, 10 months ago

CBSE > Class 10 > Social Science

3 answers

Nandana K 2 years, 10 months ago

After returning to India in 1915 Gandhiji successfully organized satyagraha in various parts of the country. The idea of stayagraha consists of • The idea emphasise the powers of truth and the need to search for the truth . • The idea suggested that if the cause was true and the struggle was against injustice then the physical force was not required to fight the oppressor , without being aggressive the stayagrahi could win the battle of non violence. • One can also win the oppressor by appealing to the conscience the oppressor should be made to see the truth. • By this struggle truth was bound to triumph ultimately. Gandhiji belived that this drama of non violence could unite all Indians. (5 Marks)

🥱🥱 ... 2 years, 10 months ago

in 3 rd line its seeking... 🥲

🥱🥱 ... 2 years, 10 months ago

satyagraha is the idea to emphasise the truth and the need to search for truth . it suggested that if the cause was true, if the struggle was against injustice, then physical force was not necessary to fight the oppressor. without seeming vengeance it being aggressive, a satyagrahi could win the battle throught non violence. this could be done by appealing to the conscience of the oppressor. Mahatma Gandhi believed that this Dharma is non violence could unite all Indians

ANSWER

"Women still lag much behind men in India despite some improvements since independence". Analyse the statement

Posted by Itz__Kritika Koli 🖤 2 years, 10 months ago

CBSE > Class 10 > Social Science

5 answers

Sam The God 2 years, 10 months ago

Despite some improvements, women in India are still much behind men. Society is still patriarchal and male-dominated in almost every aspect. India has a long way to go for men and women to be treated equally. The literacy rate among women (54 per cent) is lower than that of men (76 per cent).

Tejas T. 2 years, 10 months ago

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Nandana K 2 years, 10 months ago

In India women still lag behind men despite some improvements which have been made since independence. India is still male dominated, patriarchal society . Women in India are facing discrimination in various way. They are as follows. •Literacy rate •Unpaid work •Difference in wages •Child *** ratio

Shandilya Gupta 2 years, 10 months ago

jk the ans is on https://www.shaalaa.com/question-bank-solutions/answer-the-following-question-women-still-lag-much-behind-men-in-india-despite-some-improvements-since-independence-analyse-the-statement-gender-and-politics_102502

Shandilya Gupta 2 years, 10 months ago

this is not true lol

ANSWER

Splitting method for 3x square-3root2 x+1

Posted by Lalith Roshan 2 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Ashitha Saran 2 years, 10 months ago

3x^2-3√3x+2 = 3x^2-√3x-2√3x+2 =√3x(√3x-1)-2(√3x-1) =(√3x-1)(√3x-2) 3x^2-3√3x+2 = 0 so (√3x-1)(√3x-2)=0 (√3x-1)=0 √3x=1 x=1/√3 (√3x-2)=0 √3x=2 x=2/√3x

ANSWER

Do not touch me want the girl to the holy guns change into indirect speech

Posted by Nancy Panchal 2 years, 10 months ago

CBSE > Class 10 > English Language and Literature

0 answers

ANSWER

Why was proto-industrialisation successful in England in 17th century

Posted by Ishmeet Kaur 2 years, 10 months ago

CBSE > Class 10 > Social Science

1 answers

Ashitha Saran 2 years, 10 months ago

Proto-industrialization was the early phase of industrialized in Europe and England when there was large-scale industrial production for an international market. This was not based on factories. It was successful in the countryside in England due to the following reasons : (i) The peasants had been shut out of village commons due to enclosure movement. (ii) They now looked for an alternative source of income.

ANSWER

Write a short note on devlopment of resources

Posted by Garima Gupta 2 years, 10 months ago

CBSE > Class 10 > Social Science

2 answers

Nandana K 2 years, 10 months ago

Resource development means the development of natural resources effectively and efficiently without harming the environment or human existence. The benefits of resource development are not only for the present but also for future generations.

Abhinav Panicker 2 years, 10 months ago

Resource development refers to the development that take place without damaging the environment. The development in the present should not destroy the ability of the future generations to meet their needs.

ANSWER

5xsquare + 3x +k find the value of k is

Posted by Abid Ali 2 years, 10 months ago

CBSE > Class 10 > Mathematics

3 answers

Itz__Kritika Koli 🖤 2 years, 10 months ago

This ques..is incomplete

Tilak Raj 2 years, 10 months ago

There should be another equation or the zeros of the polynomial

Tilak Raj 2 years, 10 months ago

Bro ques is incomplete

ANSWER

Gita Govinda os written by

Posted by Tanvi Alawat 2 years, 10 months ago

CBSE > Class 10 > Social Science

2 answers

Itz__Kritika Koli 🖤 2 years, 10 months ago

Gita Govinda is written by Jayadeva.

Abhinav Panicker 2 years, 10 months ago

The poem was written in Sanskrit by Jayadeva, who was attached to the Bengali court of King Lakṣmaṇa Sena (late 12th century). The highly original form of the poem, which inspired many later imitations, intersperses the recitative stanzas with 24 eight-line songs.

ANSWER

Difference between Pulses and grains

Posted by Shravya Bhat 2 years, 10 months ago

CBSE > Class 10 > Social Science

1 answers

Abhinav Panicker 2 years, 10 months ago

Pulses (dried beans and peas) differ from whole grains in their structural and physicochemical properties and have varying amounts of fiber, resistant starch, vitamins, minerals, and other bioactive components; nevertheless, these food groups complement each other.

ANSWER

What do you mean by fair globalization

Posted by Krishna Dubey 2 years, 10 months ago

CBSE > Class 10 > Social Science

4 answers

Abhinav Panicker 2 years, 10 months ago

Fair Globalization is about harnessing the benefits of globalization while promoting sustainable economic and social development

Taranjot Kaur 2 years, 10 months ago

Fair Globalization is about harnessing the benefits of globalization while promoting sustainable economic and social development.

Mr Thunder 2 years, 10 months ago

export is more than important

Krishna Dubey 2 years, 10 months ago

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ANSWER

One q. Is incorrect in practice paper....

Posted by Tejas T. 2 years, 10 months ago

CBSE > Class 10 > Social Science

2 answers

Itz__Kritika Koli 🖤 2 years, 10 months ago

Yes ! You are right one ques is incorrect

Anjali Nagar 2 years, 10 months ago

Yes I also find one ques which is given incorrect

ANSWER

Assume √3 is a rational

Posted by Aakash .B Aakash.B 2 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Sabari Ram 2 years, 10 months ago

Assume √3 as irrational So, √3=p/q (Where p and q are coprime) q√3 = p S.O.B.S (squarring on bot side) q²3=p²-----"1" q²= p²\3 (remember 1.3 rule) By 1.3 p/3=c ("c" can be any positive integer) p=3c-----------"2" Now by applying EQ 2 in 1 we get, q²3=(p/3)² (p=3c) q²3=p²9 q²=p²3 q²/3=p² (recall 1.3) Our assumption is our contradiction Our assumption is wrong Hence,√3 is irrational

Aakash .B Aakash.B 2 years, 10 months ago

P/q

ANSWER

how did the establishment of multi- national corporations (MNC's) mark the true beginning of globalisation?

Posted by Saksham . 2 years, 10 months ago

CBSE > Class 10 > Social Science

2 answers

Adritha C Dinesh 2 years, 10 months ago

The coming of MNCs gave the people better job opportunities. Globalalisation also enabled some large indian companies to emerge as multinationals.

Sarif Khan 2 years, 10 months ago

Multinational corporations have played a leading role in this globalization, establishing multiple links between the economies of various countries. Using capital from developed countries, MNCs establish factories and plants in developing countries, where they can access raw materials and labor more cheaply.

ANSWER

Explain how globalisation can be made fairer

Posted by Rashi Gupta 2 years, 10 months ago

CBSE > Class 10 > Social Science

1 answers

Akshita Sharma 2 years, 10 months ago

FAIR globalisation would create opportunities for all and also ensure that the benefits of globalisation are shared better. The government can play a major role in making this possible. Its policies must protect the interests not only of the rich and the powerful but of all the people in the country. The government can ensure that labour laws are properly implemented and the workers get their rights. It can support small producers to improve their performance till the time they become strong enough to compete. If necessary, the government can use trade and investment barriers. Government can negotiate at the W.T.O. for fairer rules. It can also align with other developing countries with similar interests to fight against the domination of developed countries in the W.T.O.

ANSWER

What is oxiding

Posted by Lalit Bist 2 years, 10 months ago

CBSE > Class 10 > Science

2 answers

Anuj Maddheshiya 2 years, 10 months ago

Addition of oxygen and removal of hydrogen during a reaction.

🥱🥱 ... 2 years, 10 months ago

addition of oxygen on product side... 🧃

ANSWER

What is a credit or loan ?

Posted by Rewati Raman 🤓🤓🤓 2 years, 10 months ago

CBSE > Class 10 > Social Science

3 answers

Saksham . 2 years, 10 months ago

It refers to an agreement in which the lender supply the borrower with money in return for the promise of future use

Neha Alwani 2 years, 10 months ago

Credit or loan is a amount which a person take from bank, cooperative,moneylender etc. for his/her needs like home loan , education loan . A collateral is needed in taking loan . An amount of interest is taken by the lender

Aman Chauhan 2 years, 10 months ago

Credit and loan is same credit means also loan

ANSWER

In what ratio does the points p (2,-5) divide the line segment joining A(-3,5) and B(4 ,- 9)

Posted by Sahana Sahana 2 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Preeti Dabral 2 years, 10 months ago

Let the required ratio be k:1.
Then, by the section formula, the coordinates of P are
{tex}P \left( \frac { 4 k - 3 } { k + 1 } , \frac { - 9 k + 5 } { k + 1 } \right){/tex}
{tex}\therefore \quad \frac { 4 k - 3 } { k + 1 } = 2 \text { and } \frac { - 9 k + 5 } { k + 1 } = - 5{/tex} [{tex}\because{/tex} P(2, 5) is given]
{tex}\Rightarrow{/tex} 4k - 3 = 2k + 2 and -9k + 5 = -5k - 5
{tex}\Rightarrow{/tex} 2k = 5 and 4k = 10
{tex}\Rightarrow{/tex} {tex}k = \frac { 5 } { 2 }{/tex} in each case.
So, the required ratio is {tex}\frac { 5 } { 2 } : 1, {/tex} which is 5:2
Hence, P divides AB in the ratio 5:2.

Ashitha Saran 2 years, 10 months ago

A=(x1,y1)=(−3,5) and B=(x2,y2)=(4,−9) Let us assume that R(x,y)=(2,−5) divides AB in the ratio m:n, then using section formula: x=m+nmx2+nx1 2=m+n4m+(−3)n 2m−5n=0…(1) And, y=m+nmy2+ny1 −5=m+n−9m+5n 2m−5n=0…(2) In both the cases, we have: 2m=5n nm=25 ∴m:n=5:2

ANSWER

Aaj mera computer ka exam hai any tips

Posted by Sagar Gupta 2 years, 10 months ago

CBSE > Class 10 > Computer Applications (165)

0 answers

ANSWER

A customer is doing online shopping when

Posted by Vanshika Saini 2 years, 10 months ago

CBSE > Class 10 > Information Technology (402)

2 answers

Kundan Singh 2 years, 9 months ago

1.Customer do not have time to visit store. 2. Visiting a store is more valuable then purchasing online. 3. If particular thing do not available at store.

Muhammad Amaan Rahman 𝔸𝕄𝔸𝔸ℕ 𝕄𝕌ℍ𝔸𝕄𝕄𝔸𝔻 2 years, 10 months ago

E-commerce

ANSWER

ABC University has shifted the study centre of BCA students from “Surat” to “Ahmedabad”. Give the command to update the name of the study centre in the table “Candidates”. (a) Update Candidates set study_centre=” Ahmedabad” where study_centre=“Surat”; (b) Modify Candidates set study_centre=” Ahmedabad” where study_centre=“Surat”; (c) Modify Candidates replace study_centre=” Ahmedabad” with study_centre=“Surat”; (d) Update Candidates change study_centre=” Ahmedabad”

Posted by Srutika Mandal 2 years, 10 months ago

CBSE > Class 10 > Information Technology (402)

1 answers

Dipanshu Chhonker 2 years, 10 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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ANSWER

What is data consolidation? What is its use ?

Posted by Preeti Sahu 2 years, 10 months ago

CBSE > Class 10 > Information Technology (402)

1 answers

Kumar Harsh 2 years, 10 months ago

Adding information of two or more data in a single sheet

ANSWER

Do we need to so text normalization for bag of word questions

Posted by Sunny Rexwal 2 years, 10 months ago

CBSE > Class 10 > Artificial Intelligence (417)

0 answers

ANSWER

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