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If A is a square matrix such that A^2=A show that (I+A)^3=7A+I

Posted by Harkirat Kaur 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Dolly ?️ 6 years, 4 months ago

I^3+A^3+3.l^2.A+3.I.A^2 I+A^2.A+3A+3A^2 ('.' A^2=A ) I+A.A+3A +3A & I+A+6A ( A^3=A^2) 1+7A

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ANSWER

I need a compartment paper

Posted by Ankur Gupta 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

State and prove invertible matrix theorem.

Posted by Sandra P 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Solve the determinants equation x+3y+ 4z = 8 , 2+xy+2z=5 and 5x+y+z=7

Posted by Ashish Jain 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the equation of normal at the point (am^2,am^3)for the curve (at^2, 2at)

Posted by Arsh Sidhu 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Needed a help as i have got compartment in my maths exam as i don't prepared because i am weak in maths but for the college it's compulsory so i have taken it so plz help me and tell me the things that i should do for my maths compartment exam as it is on 2nd July plz help me i will be very thankful

Posted by Keshav 6 years, 4 months ago

CBSE > Class 12 > Mathematics

2 answers

Keshav 6 years, 4 months ago

Which chapters i should do for my maths compartment?

0Thank You

Shaina Rajput 6 years, 4 months ago

Focus on more weightage chapters

2Thank You

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Function us (1/4x-1) in interval [1,4] . Verify Lagrange's mean value theorem

Posted by Anmol Singh 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Given an example of matrix A and B such that AB=0,but A≠0,B≠0

Posted by Abinash Tripathy 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Anmol Singh 6 years, 4 months ago

Both A B are 2×2 matrix in A let a11 be 1 and all other 0 and in B let a22 be 1 and all others 0. It will suit your requirements

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If vectors lamda i+j+2k, i+3j-3k, i+j+3k are coplanar then find lamda ........ .................. .........

Posted by Jagu Doshetty. 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Mod b if (a+b)×(a-b)=8 and mod a=8 mod b

Posted by Jagu Doshetty. 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

d/dx of 1/sinx

Posted by Pratiksha Pathak 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Aman Kumar 6 years, 4 months ago

Answer is (0 / sin^2x)=> 0....or undefined

1Thank You

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Solve for x : tan inverse (x+1) + tan inverse(x+1) = tan inverse 8/31

Posted by Manesh Kumar 5 years, 6 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

विष्ठा means ?

Posted by Golu Kumar 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Aman Kumar 6 years, 4 months ago

I think:- IT MEANS "IMPORTANT"

0Thank You

ANSWER

What is a differentiable function?

Posted by Debanjali Chakravarti 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find Inverse of matrix [4 -5 11 1 -3 1 2 3 -7]

Posted by Ankit Rautela 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Differentiate with respect to x.......1) e^2x + e^-2x/ e^2x - e^-2x .......If any one do this.....then tell me the steps....

Posted by Aman Kumar 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Hello... Can you give me 12th cbse mathematics 2019 answer key (outside delhi)

Posted by Yeshwanth Dutt R 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find the derivative of tan(2x+3)

Posted by Akshay Singh Negi 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Yash Rajpoot 6 years, 4 months ago

d/dx { tan (2x+3) } = Sec^2 (2x+3) × d/dx [2x+3] = Sec^2 (2x+3) × 2 = 2 sec^2 (2x+3).

2Thank You

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Derivative of[1-tanx/1+tanx]^12

Posted by Badrika Badnaik 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Dolly ?️ 6 years, 4 months ago

You can write it like this (Tan(pi/4-x))^12 12( tan(pi/4-x))^11.sec^2(pi/4-x).(-1)

1Thank You

ANSWER

Please explain me differentiation of composite functions

Posted by Durgamya Gupta 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If A is a square matrix such that A^2=I ,then find the simplified value of (A-I)^3+(A+I)^3-7A.

Posted by Experience Experience 6 years, 4 months ago

CBSE > Class 12 > Mathematics

4 answers

Deepanshi Garg 6 years, 4 months ago

A is the answer

0Thank You

Shams Raza Naqvi 6 years, 4 months ago

A is the answer

0Thank You

Dolly ?️ 6 years, 4 months ago

1Thank You

Experience Experience 6 years, 4 months ago

Ans. A

0Thank You

ANSWER

What is the maximum value of 16 sintheta- 12 sinsquare theta

Posted by Sachin Rawat 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

sin2xdx/a²sin²x+b²cos²x

Posted by Tic Tricks 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Tan^-1 (tan10) value of it is ???

Posted by Pushpendra Patel 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Tapan Pandey?? 6 years, 4 months ago

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ANSWER

tan^-(x+1)+tan^-(x-1)=tan^-8/31

Posted by Utsav Thakur 6 years, 4 months ago

CBSE > Class 12 > Mathematics

2 answers

Abhay Gupta 6 years, 4 months ago

by using formula tan^-1 +tan^-1 ,tain^-1 will remove and the equ will be 2x=62- 31x^2

0Thank You

Dolly ?️ 6 years, 4 months ago

Tan^-1(2x/1-x^2) =tan^-1(8/31) 8-8x^2=62x 8x^2-62x+8=0 Now solve it easily

0Thank You

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Let m be a positive integer. For integer a,b we say that they are congruent module m, I'd a-b is divisible by m. We write this as a ≡ b (mod m) Let R be the relation on the set Z of integers defined by aRb if a≡ b(mod m). Show that R is equivalence relation.

Posted by Jiya Adhikari 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Is binary operation is removed from relation and function

Posted by Shivam Dhakre 6 years, 4 months ago

CBSE > Class 12 > Mathematics

6 answers

Gauri Shankar Mishra 6 years, 4 months ago

Yes Binary operation is removed

0Thank You

Tapan Pandey?? 6 years, 4 months ago

Haaa

0Thank You

Deepak Jindal 6 years, 4 months ago

Yess

0Thank You

Abhay Chauhan 6 years, 4 months ago

Yes

0Thank You

Santy Baralu 6 years, 4 months ago

Kh to rhe h sb, but I am not sure, padh lena kya pta aa jaye

1Thank You

Aman Kumar 6 years, 4 months ago

Yah...it is removed

0Thank You

ANSWER

aRb defined as a+b-√3 is an irreltional number

Posted by Rohit Singh 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

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Under root xsquare + 1 + underroot xsquare -1 upon underroot xsquare +1 - underroot xsquare -1

Posted by Manveer Sing 6 years, 4 months ago

CBSE > Class 12 > Mathematics

2 answers

Deepanshi Garg 6 years, 4 months ago

By rationalise method you get the answer

0Thank You

Aman Kumar 6 years, 4 months ago

We have to differentiate this question or what???

0Thank You

ANSWER

Sin inverse(6x)+sin inverse (6root3x)=-x/2

Posted by Suraj Pandey 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

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