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

Iota, which is denoted by i (small letter i) has a value equal to √-1. So i^2 is equal to -1. i^3 can be written as i^2.i. i^2=-1 So, i^3 = -1.i = -i So, i^3= -i

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Integration of X√(x+1)/(x+2)

Posted by Rahul Raaz 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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Y=2x²+3sinx at x=0

Posted by Chetan Bhagat 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Can anyone explain me elementary operation of a matrix

Posted by Sayash Bende 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Solve mod 5 by determinant plz give detail plz

Posted by Kim Jong 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

how to draw graphs of inverse trigonometric functions?

Posted by Tikendra Singhal 7 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Karan Sabharwal 7 years, 7 months ago

By hands.

2Thank You

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x p q p x q q q x sove this determinant

Posted by Vishal Chaudhar 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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How to score 90+ marks in 12th

Posted by Harshit Jain 7 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Washeem Ahmed 7 years, 7 months ago

Hmm right

0Thank You

Lekha Raj 7 years, 7 months ago

Jst to wrk hard

0Thank You

Abhi Rana 7 years, 7 months ago

Dont use ph

2Thank You

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Find second order of derevative y= x.cosx

Posted by Abhi Singh 7 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

A M 7 years, 7 months ago

y'=x.(cosx)'+cosx(x)' =x(-sinx)+cosx(1) =-xsinx+cosx Now, y"=(-xsinx)'+(cosx)' =-(x(cosx)+(-sinx)(1))+(-sinx) =-xcosx-sinx-sinx =-xcosx-2sinx

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Can we find determinant both using row and column tansformation

Posted by Shalini Maurya 7 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Lekha Raj 7 years, 7 months ago

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ANSWER

using the binomial expansion,expand [3x+2y]^4

Posted by Dinesh Pawar 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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Give an example of a function which is one one and onto

Posted by Neeraj Lakhotra 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Prove that sin-1(5/13)+cos-1(3/5)+tan-1(63/16)=2π

Posted by Aastha Jain 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Sinx/cosecx

Posted by Vivek Pathak 7 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Arnav Singh 7 years, 7 months ago

Sin^2x

1Thank You

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Obtain the inverse of the following matrix using elementry row operation. [-5 3 3 6 2 4 1 7 7]

Posted by Kashmiri Devi 7 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Tannu Bhardwaj 7 years, 7 months ago

Inverse exist for square matrix when its determinant is non - zero It is not a square matrix

0Thank You

Kashmiri Devi 7 years, 7 months ago

No ..its a matrix

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Septima Ravenclaw 7 years, 7 months ago

Is the question [ -5 3 3 6. 2. 4 1. 7. 7 ]

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Sin90

Posted by Vipin Goswami 7 years, 7 months ago

CBSE > Class 12 > Mathematics

2 answers

Arnav Singh 7 years, 7 months ago

0Thank You

Lekha Raj 7 years, 7 months ago

1Thank You

ANSWER

a circular disc of radius 3 cm is being heated due to expansion its radius increase at the rate of 0.05 cm per second find the rate at which its area is increasing when radius is 3.2 CM

Posted by Vikash Pandit 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

A and B are two sets having 3 elements in common if order of A is 5 and order of B is 4 then what is the order of (A×B)

Posted by Tannu Bhardwaj 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Y=tan³x

Posted by Nikhil Singh 7 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Uday Pratap 7 years, 7 months ago

dy/dx=3tan^2xsec^2x

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If tangent is ll to x- axis what is the slope of that line?

Posted by Maths Topper Girl 7 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Rishabh Sahu 7 years, 7 months ago

1Thank You

ANSWER

Determinant of a11= root6 a12= root 5 a21=root 20 a22= root 24

Posted by Kajal Singla 7 years, 7 months ago

CBSE > Class 12 > Mathematics

1 answers

Septima Ravenclaw 7 years, 7 months ago

0Thank You

ANSWER

Integral of cot x

Posted by Shivam Bhardwaj 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Differentiate logsinx with respect to sqrt cosx

Posted by Kirupa Sivasubrramaniam 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Differentiate log since with respect to sqrt cosx

Posted by Kirupa Sivasubrramaniam 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Dn (sinx sin2x cos2x)

Posted by Shivang Sharma 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Dn (sin3x)

Posted by Shivang Sharma 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Dn (sin²x cos³x)

Posted by Shivang Sharma 7 years, 7 months ago

CBSE > Class 12 > Mathematics

0 answers

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