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Plzz anyone help me with this question..Put in a symmetrical form the equations of the lines x+y+z+1=0 and 4x+y-2z+2=0?? Actully just tell me the method..

Posted by Suhani Rana? 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Gudiya Yadav 6 years, 7 months ago

Go to YouTube maths by rohit solanki sir

ANSWER

Find the maximum and minimum value of f(x)=secx+log((cos(x)^2) when 0<x<π

Posted by Haemanth V 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

In mathematics board exam for class 12 for the batch 2018 to 2019, don't we have 2 marks?

Posted by Barath B R 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Sahana Sankaranarayanan 6 years, 7 months ago

We do have 2 marks questions

ANSWER

Don't we have 2 marks this year ?

Posted by Barath B R 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Mansi Sharma 6 years, 7 months ago

Yesss

ANSWER

Prove that tan^-1(yz/xr) + tan^-1(zx/yr) + tan^-1(xy/zr) = π/2 , where x^2 + y^2 + z^2 = r^2.

Posted by Vikram Singh 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Evaluate integral (3x-2) √x^2+x+1 dx

Posted by Priyanshu Swaroop 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Simplify cos -1(3/5cos x+4/5 sin x)

Posted by H I T E S H 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

The dealer to purchase a number of fans and sewing machines. He has only Rs.5760 to invest and has space for at most 20 items.A fan costs him Rs.360 and sewing machine costs Rs. 240 .He expect to sell a fan at profit of Rs. 22 and sewing machine for a profit Rs.18 assuming that the can sell all the items that he busy ,how should he invest his money to maximize his profit? Solve it graphically

Posted by Akku9696 Singh 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Ftom continuity and differentiability, will they ask to check continuity of trigonometric functions???

Posted by Sahana Sankaranarayanan 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Lovely Sharma 6 years, 7 months ago

It mostly asks from algebra of continuous functions

ANSWER

Integration of cos2x log(sec2x + tan2x)

Posted by Chetan Keshri 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Shivang Singh 6 years, 7 months ago

bhai sec2x +tan2x ko Alag se solve krle hojayega ab photo to send kr ni skta vrna kr deta

ANSWER

What would happen if any one fill form of improvement in two subject and then the student is absent in one subject .... Pls reply plssss its too much important i am very worried plss

Posted by J S 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integration of (x+3)(3-4x-x^2)^1/2

Posted by Aarti Soam 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Cot^-1(-√3)

Posted by Shubham Sk 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Ritanshu Dhiman 6 years, 7 months ago

Pi minus pi by 6

ANSWER

Integral of sin @

Posted by Amita Ramchandran 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Divi Pareek 6 years, 7 months ago

-cos@

ANSWER

From which book i could get last 10 years papers?? Plzz guys reply me....... ☺️☺️☺️

Posted by Anshika Babbar 6 years, 7 months ago

CBSE > Class 12 > Mathematics

5 answers

Ritcha Merin Joyan Joyan 5 years, 8 months ago

oswal question bank

Jayant Singh Aswal 6 years, 7 months ago

Exam idea is also good

Dheeraj Singh 6 years, 7 months ago

Shivdaas is best for this

Aman Deep 6 years, 7 months ago

Arihant 10year question bank

Sahana Sankaranarayanan 6 years, 7 months ago

There r books available in the market which has last 10 yrs question papers.

ANSWER

by which method function is prove to invertible by fog and gof or one one onto

Posted by A B 6 years, 7 months ago

CBSE > Class 12 > Mathematics

2 answers

A B 6 years, 7 months ago

and what about fog and gof

Yash Agarwal 6 years, 7 months ago

By one one and onto

ANSWER

If (√1-x^2)+(√1-y^2)=a(x-y) Then find derivative

Posted by Yashank Sahu 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Yash Agarwal 6 years, 7 months ago

Take x=cos(a) and y=cos(b) and solve according

ANSWER

Last 5 year ke paper se kitne percent questions aane ki chances hn. Kya use laga ke hum paas ho skty hn ??

Posted by Yusuf Iftekhar 6 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Kartar Singh 6 years, 7 months ago

chances =0.0000000000000001%

Manjistha Dutta 6 years, 7 months ago

Its better to practise ncert

Abishek Nayak 6 years, 7 months ago

No , u cant depend on last 5 year paper bcz evry have some changes

ANSWER

How should I prepare integration

Posted by Akhilesh Shivhare 6 years, 7 months ago

CBSE > Class 12 > Mathematics

4 answers

Shivang Singh 6 years, 7 months ago

learn only limit as a sum of it is enough and complete only in an hour

Mohit Soni 6 years, 7 months ago

Write down formulae which you may forget by going through the ncert exercise this will be helpful at last minute..

Kartar Singh 6 years, 7 months ago

start from 1st exercise to end of chapter

Abishek Nayak 6 years, 7 months ago

Just go through ur ncert

ANSWER

Find f inverse if f(x) = √7^x-√7^-x / √7^x+√7^-x

Posted by Vani Saini 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Can you please tell me.. Tan root 3-cot root-3...

Posted by At Mt 6 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Redmi 4A 6 years, 7 months ago

Did you mean tan inverse root 3-cot inverse root 3?

Abishek Nayak 6 years, 7 months ago

ya but i say that if cant even solve this type Q theen its hopless go for other chap

The Unpredictable Guy 6 years, 7 months ago

Not understandable

ANSWER

Can u plz tell me that questions of integration are only asked by NCERT or from some where else????

Posted by Srishti ❤S❤ Tiwari 6 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Srishti ❤S❤ Tiwari 6 years, 7 months ago

Thank u

Hanu Saini 6 years, 7 months ago

No need to worry integration are asked only from NCERT but revise the forms carefully

Alok Yadav 6 years, 7 months ago

Definite integration are asked from NCERT only

ANSWER

|1 1 1+3x |1+3y 1 1 =9(3xyz+xy+yz+zx) |1 1+3z 1

Posted by Suraj Bhandari 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Yash Agarwal 6 years, 7 months ago

Take xyz common from rows and add them and solve accordingly

ANSWER

Does majority of ques comes from ncert only....?

Posted by Aryaman Singh Tomar 6 years, 7 months ago

CBSE > Class 12 > Mathematics

5 answers

Kartar Singh 6 years, 7 months ago

i think you are repeaters so you have knowledge about paper

Hanu Saini 6 years, 7 months ago

90 percent of the paper

Priyanshu Chandola 6 years, 7 months ago

Paka

Akshat Mishra 6 years, 7 months ago

Yes

Om Rathore 6 years, 7 months ago

Yes

ANSWER

How can I get passing marks in maths in 2 days? I have maths as additional... And on 15 I have my bio xam ND on 18 it is Maths.... Plzzzzzz

Posted by Gud Luck ? 6 years, 7 months ago

CBSE > Class 12 > Mathematics

6 answers

Abishek Nayak 6 years, 7 months ago

Focus on ur main sub (bio) and math is logical if u even knw ur ncert then also u can atleast score 60marks

Abhi Singh 6 years, 7 months ago

I would rather suggest u to watch AMAN DHATTARWAL's video on youtube....he has some list of important questions from ncert that can ensure u 50+ marks in maths

Hanu Saini 6 years, 7 months ago

Do selected topic and prepare a few questions whose probability is high

Akshat Mishra 6 years, 7 months ago

Do ncert ?

Gud Luck ? 6 years, 7 months ago

Plz tell me some important chapters

Taqdees Fatima 6 years, 7 months ago

Ya inshallah ?☺

ANSWER

y=x/2(a2-x2)+a2/2 sin inverse x/a Prove that: dy/dx= (a2 - x2)

Posted by Srishti ❤S❤ Tiwari 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Does ques comes from exempler in boards??

Posted by Aryaman Singh Tomar 6 years, 7 months ago

CBSE > Class 12 > Mathematics

2 answers

Akshat Mishra 6 years, 7 months ago

Yes

Himanshu Singh 6 years, 7 months ago

Yes but solve only ncert examples

ANSWER

If anyony has examidea of maths plz give blue print

Posted by Megha Jha 6 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Megha Jha 6 years, 7 months ago

But how i don't know??

Hanu Saini 6 years, 7 months ago

Contact me

Hanu Saini 6 years, 7 months ago

OK I have

ANSWER

tan-1{√1+cosx + √1-cosx}

Posted by Dipanshu Gulia 6 years, 7 months ago

CBSE > Class 12 > Mathematics

2 answers

Akku9696 Singh 6 years, 7 months ago

Tan-1[2(cosx/2)*2 +2(sinx/2)*2] =tan-1[2{(cosx/2)*2+(sinx/2)*2}] =tan-1(2) Ans.

Jyotirmoy Barman 6 years, 7 months ago

tan-1(√2)

ANSWER

IF A is a 3×3mateix |A|=0 and |3A|=k|A|.Then write the value of k

Posted by Vikas Soni 6 years, 7 months ago

CBSE > Class 12 > Mathematics

4 answers

Vaidehi Gupta 6 years, 7 months ago

since u have multiplied three to a matrix it will go to each of the row.. thus u will get 3 three's if u take its determinant value hence answer is 27

Shivam Goel 6 years, 7 months ago

27

Jatin Goyal 6 years, 7 months ago

0

Jatin Goyal 6 years, 7 months ago

27

ANSWER

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