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

In such case we got clue from RHS ( when we have to prove) or in case of calculation you got experience with practice. Just refer R.D SHARMA or other reference books for more examples.

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Integral x square - 2x a(1) to b(3)

Posted by Jyoti Sharma 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Shiv Sagar 6 years, 1 month ago

∫₁³ f (x²-2x) =[x³/3 - x² ]³₁ = [ 3³/3 - 3²] - [1³ - 1²] = (9 - 9) - (1/3 - 1) = (0) - ( -2/3) = 2/3 ans.

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If A={p, q, r, s} B={q, s, t} C={m, q, n} find C-(a intersection b)

Posted by Suryanshu Prakash 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Shiv Sagar 6 years, 1 month ago

c - ( a ∩ b ) = {m,q,n} - [ {p,q,r,s} ∩ { q,s,t } ] = {m,q,n} - {q,s} = {m,n} ans.

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Is there any trick or easy way for solving questions of continuity including trignometric function......?

Posted by Mannat Kaur Khalsa? 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Darpan Verma 6 years, 1 month ago

Only some important identities will make you master in that topic Refer rd sharma examples

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Problem regarding 13.3

Posted by Ram Partap Rai 6 years, 1 month ago

CBSE > Class 12 > Mathematics

2 answers

Mannat Kaur Khalsa? 6 years, 1 month ago

What is your doubt?

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Ram Partap Rai 6 years, 1 month ago

Wants to clear doubt

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Find integral of x divided by ( a square cos square x - b square sin square x) if limits are from 0 to pie

Posted by Dinesh Gupta 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Where is the solution of last year paper

Posted by Prakhar Mishra 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Can we use binomial distribution in solving the questions of probability distribution of a random variable?

Posted by Deshna Jain 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Mannat Kaur Khalsa? 6 years, 1 month ago

Binomial is excluded from syllabus

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Is studying ncert exemplar important or sample paper book enough

Posted by Anshul Ak 6 years, 1 month ago

CBSE > Class 12 > Mathematics

2 answers

Rishabh Gupta 6 years, 1 month ago

Do not forget to NCERT problems it is most important

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Darpan Verma 6 years, 1 month ago

If all questions are easily solved by you then okay

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If a vector , b vector , c vector are 3 vectors such that a magnitude=1, b magnitude = 2 , and c magnitude =3 . If the projection of bvector along a vector is equal to the projection of c vector along a vector; and b vector, c vector are perpendicular to each other then Find _ Magnitude 3a vector - 2b vector + 2c vector

Posted by Amit Rana 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

How to solve modulus limit

Posted by Dr. Strange Marvel 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Pankaj Kumar 6 years, 1 month ago

PANKAJ.KUMAR

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Find the points in the interval (0,3) where the greatest integer functionf (x)=[x]is not differentiable

Posted by Shumugthaa Shumugthaa 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What are the topics that are removed from the syllabus for board examination 2020 in maths

Posted by Rishabh Gupta 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Darpan Verma 6 years, 1 month ago

Binary operation from chapter 1

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Which book i prefer for cbse boards for maths

Posted by Aadi Ahluwalia 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Mannat Kaur Khalsa? 6 years, 1 month ago

Ncert

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Let E1 and E2 are two independent events such that P(E1)=p1 and P(E2)= p2 describe in words the events whose probability is 1-(1-p1)(1-p2)?

Posted by Lovepreet Deol 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If A is any square matrix of order 3 × 3 such that |A| = 3, then the value of |adjA| is ? (a) 3 (b) 1/3 (c) 9 (d) 27 With process

Posted by Priya Saini 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Rajat Barwar 6 years, 1 month ago

It should be 9.. As |adjA| = (|A|)^(n-1) where n is the order of the matrix A.. Hope it may help you...

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(zj cap-yk cap)^2

Posted by Dhruv Shukla 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Rajat Barwar 6 years, 1 month ago

I think it is z^2+y^2.

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integration of [(x^3+1)(x-2)]/x^2-x-2

Posted by Nitish Jhamb 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Rajat Barwar 6 years, 1 month ago

It should be (x^3/3)-(x^2/2) +x+ constant. You can cancel (x-2) in numerator by one factor of deno. and then (x+1) from both. Please verify my ans. by telling me the correct ans...

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Let (1,3) B(0,0) and C (K, 0) be the value of triangle ABC of area 3 sq. units Find K using determinants method

Posted by Avsf Bxbd 6 years, 1 month ago

CBSE > Class 12 > Mathematics