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

If you are in 12th class then there are three main parts in maths i.e.,(Matrice and determinents),(calculus),(vector and 3D).you can read theory and do examples of matrices and determinents and others(relations and functions and inverse trigno) in one day.Then do calculus for 2 days which will include theory and examples.then for one day do 3D and vector.NOTE:Do questions of every lesson every four days.

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A is invertible matrix then prove that (A™) power -1= (A power-1)™

Posted by Anas Knight 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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Find the angle between two planes 2x +3y+z =0and 3x-2y-z =0

Posted by Anas Knight 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Honey 8 6 years, 7 months ago

n1.n2 ÷ |n1||n2| = cos ∆

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Inteheration of sinx

Posted by Ram Khan 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Honey 8 6 years, 7 months ago

-cosx

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What is the value of ayota4n+1-4n-1/2

Posted by Nibha Kumari 5 years, 6 months ago

CBSE > Class 12 > Mathematics

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If a vector in space then show that a vector

Posted by Khushi Soni 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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Prove that tan-¹(1-x÷1+x)-tan-¹(1-y÷1+y)=sin-¹y-x÷√1+x²×√1+y²

Posted by Vijay Tripathi 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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What is integral division

Posted by Narayan Rai 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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How can i get extra marks

Posted by Divyansh Kumar 6 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

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

Extra marks means? U want to score 101/100 or anything else ?

1Thank You

Honey 8 6 years, 7 months ago

Perfect ans ?

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Prateek Seth 6 years, 7 months ago

By studying extra ?

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Can i get some extra questions on inverse trigonometric ratios.

Posted by Appy Garnara 6 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Honey 8 6 years, 7 months ago

You'll get in websites like vedantu

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Honey 8 6 years, 7 months ago

You can download some pdfs from net.

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Harsh Jatrana 6 years, 7 months ago

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Is √2 natural number?

Posted by Sitanshu Kumar 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Jewel Maria 6 years, 7 months ago

yes

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A clerk was asked to mail three report cards to three students. He adresses three envelopes but unfortunately paid no attention to which report card be put in which envelope. What is the probability that exactly one of the students received his or her own report card.

Posted by Mitali S 6 years, 7 months ago

CBSE > Class 12 > Mathematics

2 answers

Vaidehi Gupta 6 years, 7 months ago

Dearrangement se ho jaaega

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Honey 8 6 years, 7 months ago

I guess that will be done by bayes theorem but can't get it ?

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If 3straight lines are drawn on a white board at random with the eyes closed ,show that the probability of forming a triangle is 1/7

Posted by Dolly Lanthoi 6 years, 7 months ago

CBSE > Class 12 > Mathematics

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Intergrate 1/sinx-sin2x

Posted by Yashveer Chordia 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Honey 8 6 years, 7 months ago

It should be 1/ sinx+sin 2x ?¿

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2x+ 3y=5xy

Posted by Alisha Dasour 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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Marking scheme according 2019 paper

Posted by Tipu Sultan Bhai 6 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the principal value of tan^-1 (tan7π/6)

Posted by Deepti Jangra 6 years, 7 months ago

CBSE > Class 12 > Mathematics

2 answers

Deepti Jangra 6 years, 7 months ago

Ya mera v same answer h buy iska answer 7π/6 h why..??

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Honey 8 6 years, 7 months ago

π/6

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For a 2*2matrix A=[aij],whose elements are given by aij=i÷j ,write the value of a12

Posted by Shamsher Singh Bandesha 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Honey 8 6 years, 7 months ago

1/2

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Ch matrices ex a

Posted by Shamsher Singh Bandesha 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Honey 8 6 years, 7 months ago

Ch matrix. Example??

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How is sum of all terms in a matrix =1

Posted by Subash Aravind 17 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Honey 8 6 years, 7 months ago

Dude that's for 3x3 matrix? I didn't get the qs

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Integrate functions

Posted by Vandit Sharma 5 years, 6 months ago

CBSE > Class 12 > Mathematics

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Suppose a girl throws a dice if she gers 1,2she tosses a coin three times and notes the number of tails if she gets 3,4,5,6 she tossesa coin and notes wheather a head or tail is obtained if she obtained exactly one tail what is the probability that she threw 3,4,5,6 with the die

Posted by Sneha Kumari 6 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Gaurav Seth 6 years, 7 months ago

Question: Suppose a girl throws a die. If she gets 1 or 2, she tosses a coin three times and notes the number of tails. If she gets 3, 4, 5 or 6, she tosses a coin once and notes whether a 'head' or 'tail' is obtained. If she obtained exactly one 'tail', what is the probability that she threw 3, 4, 5 or 6 with the die ?

Answer: