Home
Class 12
MATHS
If matrix A=[(2,2),(2,3)] then the value...

If matrix `A=[(2,2),(2,3)]` then the value of [adj. A] equals to :

A

2

B

3

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-2 : One or More than One Answer is/are Correct|5 Videos
  • MATRICES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-3 : Matching Type Problems|4 Videos
  • LOGARITHMS

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-5 : Subjective Type Problems|19 Videos
  • PARABOLA

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-5 : Subjective Type Problems|3 Videos

Similar Questions

Explore conceptually related problems

Let A=[(2, -1, 1),(-2, 3, -1),(-4, 4, -x)] be a matrix. If A^(2)=A , then the value of x is equal to

If A=[(1,-2,1),(2,lambda,-2),(1,3,-3)] be the adjoint matrix of matrix B such that |B|=9 , then the value of lambda is equal to

If the matrix A=[(2,5)/(1,3)] , then the value of (|A^(100)+A^(98)|)/(|A^(20)+A^(18)|) is equal to

Let M and N are two non singular matrices of order 3 with real entries such that (adjM)=2N and (adjN)=M . If MN=lambdaI , then the value the values of lambda is equal to (where, (adj X) represents the adjoint matrix of matrix X and I represents an identity matrix)

A square matrix A of order 3 satisfies A^(2)=I-2A , where I is an identify matrix of order 3. If A^(n)=29A-12I , then the value of n is equal to

Let A and B are square matrices of order 3. If |A|=2, |B|=3, |C|=4, then the value of |3( adj A)BC^(-1)| is equal to ( where, adj A represents the adjoint matrix of A)

If A is an invertible matrix of order 3 and B is another matrix of the same order as of A, such that |B|=2, A^(T)|A|B=A|B|B^(T). If |AB^(-1)adj(A^(T)B)^(-1)|=K , then the value of 4K is equal to

If A is an invertible square matrix of order 3 and | A| = 5, then the value of |adj A| is .............

If A, B and C are square matrices of order 3 and |A|=2, |B|=3 and |C|=4 , then the value of |3(adjA)BC^(-1)| is equal to (where, adj A represents the adjoint matrix of A)

If A is square matrix of order 3 and |A| = 7 then the value of |adj A| is a) 47 b) 7 c) 49 d) 7^(3)