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Mansi Mishra 4 years, 9 months ago

Polynomials: (i) (a + b)2 = a2 + 2ab + b2 (ii) (a – b)2 = a2 – 2ab + b2 (iii) a2 – b2 = (a + b) (a – b) (iv) (a + b)3 = a3 + b3 + 3ab(a + b) (v) (a – b)3 = a3 – b3 – 3ab(a – b) Polynomials: (i) (a + b)2 = a2 + 2ab + b2 (ii) (a – b)2 = a2 – 2ab + b2 (iii) a2 – b2 = (a + b) (a – b) (iv) (a + b)3 = a3 + b3 + 3ab(a + b) (v) (a – b)3 = a3 – b3 – 3ab(a – b) (vi) a3 + b3 = (a + b) (a2 – ab + b2) (vii) a3 – b3 = (a – b) (a2 + ab + b2) (viii) a4 – b4 = (a2)2 – (b2)2 = (a2 + b2) (a2 – b2) = (a2 + b2) (a + b) (a – b) (ix) (a + b + c) 2 = a2 + b2 + c2 + 2ab + 2bc + 2ac (vi) a3 + b3 = (a + b) (a2 – ab + b2) (vii) a3 – b3 = (a – b) (a2 + ab + b2) (viii) a4 – b4 = (a2)2 – (b2)2 = (a2 + b2) (a2 – b2) = (a2 + b2) (a + b) (a – b) (ix) (a + b + c) 2 = a2 + b2 + c2 + 2ab + 2bc + 2ac

ANSWER

Why do breaking of bonds during endothermic reactions require energy?

Posted by A N 4 years, 9 months ago

CBSE > Class 10 > Science

1 answers

Garima Kataria 4 years, 9 months ago

Ur question is awkward because the endothermic reaction is itself meant the process of absorbing energy anyways v can answer this by saying that to form new bonds by releasing old ones. Beacuse energy is absorbed!

ANSWER

Es app me test kaha pe dete hai

Posted by Divyanshi Dhakad 4 years, 9 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

I need PDF of It 402

Posted by Vedansh. Pathak 4 years, 9 months ago

CBSE > Class 10 > Information Technology (402)

1 answers

Asif Banadar 4 years, 9 months ago

Not there ✌

4Thank You

ANSWER

How can numbers be subtracted, multiplied and divided in Excel cell

Posted by Smita Giri 4 years, 9 months ago

CBSE > Class 10 > Information Technology (402)

2 answers

It'S Krishna 4 years, 9 months ago

By using sum formulas in excel

Tirth Markana 4 years, 9 months ago

ANSWER

If tanθ = 8/15, find the value of cosθ

Posted by Pearl ? 4 years, 9 months ago

CBSE > Class 10 > Mathematics

5 answers

Saiyam Jain 4 years, 9 months ago

Cos 15/17 h =17

Shadow Vector 4 years, 9 months ago

15/17

Santy Baralu 4 years, 9 months ago

tan = perpendicular / base its mean p = 8 and b = 15 while by hypotenus h*2= p*2+ b*2 h*2 = 15 *15 + 8*8 h*2 = 225 + 64 h*2 = 289 h = under root 289 so h = 17

Ayush Gupta 4 years, 9 months ago

Pawani Singla 4 years, 9 months ago

cosθ = 8/17

ANSWER

X^2-x-a(a+1)=0

Posted by Jay Sharma 4 years, 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Shadow Vector 4 years, 9 months ago

What's the question bro? I am unable to understand.

ANSWER

I want textual ques answers of it 402 plz .. ?

Posted by Cma Gamers 4 years, 9 months ago

CBSE > Class 10 > Information Technology (402)

2 answers

Chandan Thakur 4 years, 9 months ago

Ru hv bf cn ra g

Cma Gamers 4 years, 9 months ago

In what ways can I acquire it??

4Thank You

ANSWER

Uses of fuses

Posted by Suresh Misha Miracle Church 4 years, 9 months ago

CBSE > Class 10 > Science

1 answers

Adithya Dev A 4 years, 9 months ago

Electric fuse is a safety device which is used to protect devices from overflow of current through them. It is usually made of metals with low resistivity and low melting point like copper or an alloy of lead and tin and is connected in series with domestic electric circuits. When excess current flows through the circuit, the circuit gets overheated. The heat produced exceeds the low melting point of the fuse material and thus, melts it off disconnecting the circuit.

ANSWER

Aryabhatta's contribution in the methods of drawing circles

Posted by Anshika Mittal 4 years, 9 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

refers to the AI modelling where the machine learns by itself

Posted by Ayushi Gupta 4 years, 9 months ago

CBSE > Class 10 > Computer Applications (165)

0 answers

ANSWER

Prove that: √ 1- Sin theta /1+ Sin theta = 1/(Sec theta + Tan theta)

Posted by Pearl ? 4 years, 9 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

What were the main source of attraction for Europeans to come to Africa in the late nineteenth century? How did they exploit their resources?

Posted by Kunal Patil 4 years, 9 months ago

CBSE > Class 10 > Social Science

1 answers

Keerthana Mathaswaran 4 years, 9 months ago

(i) Europeans were attracted to Africa due to its vast resources of land and minerals. (ii) Europeans came to Africa hoping to establish plantations and mines to produce crops and minerals for export to Europe. (iii) Inheritance laws were changed so that peasants were displaced from land: only one member of a family was allowed to inherit land, as a result of which the others were pushed into the labour market. (iv) Europeans divided different regions of Africa among themselves.

ANSWER

What is the area of the kite formed by two perpendicular sticks of length 6cm and 8cm?

Posted by Devika Sasidharan 4 years, 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Pawani Singla 4 years, 9 months ago

1/2 × d1 × d2 = (6×8)/2 = 24cm²

ANSWER

You are Ashraf /asma a resident of lok vihar Madhya Pradesh due to closer of academic institutions in your area because of covid 19 pandemic people are operating online from their remote location the network signals in your area are quite poor which impact the routine functioning of internet , resulting in academic loss Write a letter to chief manager of the data service provider company expressing your consern and requesting a remedial help in this regard

Posted by Ishika Chaudhary 4 years, 9 months ago

CBSE > Class 10 > English Language and Literature

2 answers

Hashim Khan I.P.S 4 years, 7 months ago

answers

16Thank You

Bheem Roa 4 years, 8 months ago

answer

43Thank You

ANSWER

What is the syllabus of English Grammer for 2022 boards

Posted by Satyam Sharma 4 years, 9 months ago

CBSE > Class 10 > English Language and Literature

0 answers

ANSWER

Tips to prepare maths for board exam.

Posted by Shristi Giri 4 years, 9 months ago

CBSE > Class 10 > Mathematics

2 answers

Sahil Giri 4 years, 9 months ago

Ap iss year exam da raha ho

Sahil Giri 4 years, 9 months ago

First - complete NCERT Second- Examplier book Third- important question Fourth- sample paper

4Thank You

ANSWER

Maddie thought her silence ? as bad as pegs teasing ?

Posted by Pratibha Bharat 4 years, 9 months ago

CBSE > Class 10 > English Language and Literature

1 answers

Yashika B. 4 years, 9 months ago

Yes, Maddie thought that her silence was as bad as Peggy's teasing because it is often said that turning a blind eye to a crime is worse than committing a crime. So by being silent she indirectly encouraged Peggy to tease Wanda

3Thank You

ANSWER

Explain the main types of organisms on the basis of mode of nutrition (describe any one in detail)

Posted by Suresh Bhai 4 years, 9 months ago

CBSE > Class 10 > Science

2 answers

Divya Soni 4 years, 9 months ago

There are two types of mode of nutrition 1.autotrophs 2.hetrotrophs Autotrophs: The organisms which made their own food is called autotrophs. Example :plants, make their own food, by photosynthesis Hetrotrophs : The organisms which depends on other There are three types of hetrotrophic nutrition Parasitic, saprophytic, holozoic Parasitic : derives food from the host. Saphrophytic:derives Food from dead and decayed organisms Holozoic:takes the solid food substance as a hole

Hariharasudhan Harish 4 years, 9 months ago

ANSWER

Cbse borad IT ka portion Kya hai

Posted by Ravi Yadav 4 years, 9 months ago

CBSE > Class 10 > Information Technology (402)

1 answers

Diya Jangra 4 years, 8 months ago

You don't know this also

ANSWER

Ex 8.4 question no. 5

Posted by Shubham Singh 4 years, 9 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Very short answer

Posted by Kapil Sahni 4 years, 9 months ago

CBSE > Class 10 > Information Technology (402)

1 answers

Divya Soni 4 years, 9 months ago

Kon se subject ke

ANSWER

Ex 8.2 answers

Posted by Aditya Devatwal 4 years, 9 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Explain lymphatic system ❓

Posted by A Bhatnagar 4 years, 9 months ago

CBSE > Class 10 > Science

2 answers

Adithya Dev A 4 years, 9 months ago

Apart from the blood, the circulatory system in humans also consists of another extracellular fluid known as lymph. It plays the dual function of absorption of digested fats and also draining fluids within extracellular spaces back to blood. The lymph accompanied by lymphatic nodes together constitute what is called lymphatic system.

Mansi Aggarwal 4 years, 9 months ago

In lymphatic system it help in exchange of gases between cells and arteries

ANSWER

Cot theta +cosec theta -1/cot theta -cosec theta +1 = 1+cos theta / sin theta

Posted by Pratiksha Pandey 4 years, 9 months ago

CBSE > Class 10 > Mathematics

1 answers

Salman Sayed 4 years, 9 months ago

Jai jai deva tumhi dena saath hamaara

ANSWER

What is Matilda 's cause of ruin??

Posted by Niketa Maletha 4 years, 9 months ago

CBSE > Class 10 > English Language and Literature

2 answers

Akshay Jain 4 years, 9 months ago

Matilda was very pretty .She was born in a poor family and her husband was a clerk .She was unhappy .Matilda's cause of ruin was her dream of adorn. She wants to be very special for everybody.She wants to live a beautiful life. She wants costly things to show .

Niketa Maletha 4 years, 9 months ago

The cause of Matilda 's ruin was her dissatisfaction with whatever life offered her. She was always unhappy . She could have avoided ruin by being content with what she had.

ANSWER

How does foreign trade integrate the markets around the world?

Posted by Khushi 4 years, 9 months ago

CBSE > Class 10 > Social Science

2 answers

Lakshay Garg 4 years, 9 months ago

Self study of social science pg no.64

Smart Guy 4 years, 9 months ago

(i) Foreign trade creates an opportunity for the producers to reach beyond the domestic markets (ii) Producers can sell their products in the markets located in other countries (iii) It helps for expanding the choice of goods beyond domestic market. Thus foreign trade leads to integration of markets across countries.