Question

what is the answer
explain in detail...

Answer 1

1) find k: kA= [matrix] , then, kAA^-1(inverse of A) = A^-1 [matrix] , then it will become, k= A^-1[matrix], then put the value of k in kA=[matrix], then multiply k& A . 2) by equality of matrix compare the values (as I have done it in following picture) 3) get the values ...