Home
Class 12
MATHS
Select the correct option from the given...

Select the correct option from the given alternatives.If `A = [[2,3],[4,6]]`, then `A^-1` = i] `[[1,2],[-4,6]]` ii] `[[2,-3],[4,6]]` iii] `[[-2,4],[-3,6]]` iv] Does not exist

A

`[(1,2),(-(3)/(2),2)]`

B

`[(2,-3),(4,6)]`

C

`[(-2,4),(-3,6)]`

D

Does not exist

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Select the correct option from the given alternatives. If A = [[1,-2],[5,-3]] then A+A^T equals i] [[2,3],[3,-6]] ii] [[2,-4],[10,6]] iii] [[2,4],[-10,6]] iv] [[1,0],[0,1]]

Select the correct option from the given alternatives. If A = [[1,2],[3,-5]] , then adj A is i] [[-5,-2],[-3,1]] ii] [[3,-5],[1,2]] iii] [[2,3],[-5,1]] iv] [[-5,3],[2,1]]

Select the correct option from the given alternatives: If A = [[3,-3,4],[2,-3,4],[0,-1,1]] then A^-1 = i] A ii] A^2 iii] A^3 iv] A^4

Select the correct options from the given alternatives.If |(6i,-3i,1),(4,3i,-1),(20,3,i)|=x+iy then

Select the correct option from the given alternatives.If A = [[lambda,1],[-1,-lambda]] then A^-1 does not exist if lambda = i]0 ii]± 1 iii]2 iv]3

Select the correct option from the given alternatives. If A = [[0,1],[1,0]] the adjoint of the matrix A is i] [[0,-1],[-1,0]] ii] [[1,4],[-3,2]] iii] [[1,3],[4,-2]] iv] [[-1,-3],[-4,2]]

Select the correct option from the given alternatives. If for the matrix A, A^3 = I then A^-1 = i] A^2 ii] A^3 iii] A iv] A^-1

Select the correct options from the given alternatives: If [[5,7],[x,1],[2,6]]-[[1,2],[-3,5],[2,y]]=[[4,5],[4,-4],[0,4]] then

Select the correct option from the given alternatives. If A = [[1,2],[3,4]] and A(adjA) = kI then the value of k is i]2 ii]− 2 iii]10 iv]− 10