CBSE > Class 12 > Mathematics | CBSE Board | Homework Help

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

Let A and B two sets containing 2 element and 4 elements respectively. The no. of subsets of A×B having 3 or more elements is (a) 256 (b) 220 (c) 219 (d) 211

Posted by Md Imran Mushtaque 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Hss maths marks distribution

Posted by Irfana Shaikh 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Is it necessary to study all the questions..?

Posted by Sidhant Rawat 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Aman Shrivastava 7 years, 11 months ago

2Thank You

ANSWER

5÷6

Posted by Manish Bansal 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Tan inverse (cosx/1+sinx)=π/4-x/2 prove this

Posted by Mayank Pahuja 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Sandesh Verma 7 years, 11 months ago

LHS=tan^-1(cosx/1+sinx)=cos^2-sin^2/(cosx/2+sinx/2)^2 =tan^-1 (Cosx/2-sinx/2)(cosx/2+sinx/2) /(cosx/2+sinx/2)(cosx/2+sinx/2) =tan^-1(Cosx/2-sinx/2)/(cosx/2+sinx/2) =Cosx/2 common and cut it than =tan^-1(1-tanx/2)/(1+tanx/2) =tan^-1(tan(pi/4-x/2) =(Pi/4-x/2) Hence proved

1Thank You

ANSWER

What is the integration of logx

Posted by Manik Choudhary 7 years, 11 months ago

CBSE > Class 12 > Mathematics

3 answers

Apoorva Asati 7 years, 11 months ago

It will be= xlnx-x

0Thank You

Sushmita Mishra 7 years, 11 months ago

xlogx - x

0Thank You

Aditya Raj 7 years, 11 months ago

Try to solve it by parts

5Thank You

ANSWER

What is differential equations

Posted by Panchanan Lahon 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

How to solve equation A+B+C=0 5A+B=2 3A-3B-C=-3

Posted by Vishal Saini 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Robin Sahni 7 years, 11 months ago

Try to solve it by cross multiplication method.

3Thank You

ANSWER

Differentiate 2x

Posted by Praveen Kumar 7 years, 11 months ago

CBSE > Class 12 > Mathematics

3 answers

Mahesh Gautam 7 years, 11 months ago

0Thank You

Aditya Raj 7 years, 11 months ago

0Thank You

Shubham Goyal 7 years, 11 months ago

1Thank You

ANSWER

Posted by Yash Singhal 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

The probability of an Indian army man hitting an enemy's aircraft is 1/2.How many times should he fire so that the probability of hitting and destroying enemy's aircraft is more than 90%?

Posted by Shubhi Singh 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the general solution' of the differential equations dy/dx= (3x+y+1) whole power 2

Posted by Neha Jha 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Neha Jha 7 years, 11 months ago

Koi and toa batao

1Thank You

ANSWER

Integrate sinx from a to b by 1st principle

Posted by Harsh Anand 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the principal value

Posted by Love Gujjar 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Most important topics of maths chapterwise class 12

Posted by Simmi Kumari 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Neha Jha 7 years, 11 months ago

6 marks questions 1 questions from relation & function or inverse trigonometric functions 1question from Matrix & determinants 1 questions from linear programming 1question from 3D 1 questions from probability 1 questions from Maxima & minima

3Thank You

ANSWER

Integration of 1upon x dx by integration as a limit of sum

Posted by Annapurna Mishra 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find value of 'a' for which lines are skew. x-1/2=y-2/3=z-a/4 and x-4/5=y-1/2=z

Posted by Ashutosh Pandey 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

X^(1÷m) + y^(-1÷m) =2x Prove (x^2-1)y"-xy'-m^(2)y=0

Posted by Harsh Anand 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integration of dx/secx+cosecx

Posted by Harsh Sharma 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Padmini Soni 7 years, 11 months ago

Change it in the form of cos and sin and then multiply it by 2 at denominator and numerator

0Thank You

ANSWER

Find the Integration of : e^(-x) cos 2x cos 4x dx

Posted by Shashank Kumar 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

How I will study 3d so that I can solve all questions

Posted by Annapurna Mishra 7 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Neha Jha 7 years, 11 months ago

Ram Badan Singh is my maths coaching teacher To join it in Mughalsarai then solve your problem easily

2Thank You

Onkar Dhiya 7 years, 11 months ago

Simply learn the formula s Nd conditions how they are applied

1Thank You

ANSWER

Integration of e power x upon x dx

Posted by Annapurna Mishra 7 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Vishal Garg 7 years, 11 months ago

Is e power 1

1Thank You

Vishal Garg 7 years, 11 months ago

e power x upon x

1Thank You

ANSWER

If A is an invertible matrix of order 3×3 and |A| =9,than find adj (adjA)

Posted by Palwinder Singh 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

When we find point of intersection

Posted by Aftab Bhai 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

X=a sinpt , y=b cospt , then show that.

Posted by Chandravali Vaishnav 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Shivanshu Yadav 7 years, 11 months ago

-b/a tanpt

3Thank You

ANSWER

Prove that points A, B, C with positoin vectors a, b, c resp., are collinear if (axb) +(bxc) +(cxa) =0

Posted by Neil Sharma 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Ishika Tanwani 7 years, 11 months ago

Take dot with c Then b×c us perp.to c so their dot =0and same with a×c

2Thank You

ANSWER

Integration dx/root sinx +root cosx

Posted by Swapnanil Goswami 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Tan [1/2 sin - 1 3/4]=4-root7/3 prove

Posted by Preeti Bhardwaj 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Md Aftab 7 years, 11 months ago

Question smjh ni aya wo sin inverse h n

0Thank You

ANSWER

Integration of cosx/(4-sin^2x)(5-4cos^2x)

Posted by Tanuj Yadav 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Drivatatives of paramatric form in maths

Posted by Akash Gujjar 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Page 389 of 481

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Install Now

Test Generator

Create papers online. It's FREE.

Try Now

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Install Now

myCBSEguide

myCBSEguide

Test Generator

CUET Mock Tests

Download myCBSEguide App

All Courses

Other Websites

CBSE Courses

Resources

Corporate

NCERT Solutions

CBSE Sample Papers