Q14 of 98 Page 314

If A =and A^-1=then x=?

We know that A x A^-1 = I

To satisfy the above condition 2x = 1

x =

If A=is singular then k=?

If A =then adj A=?

If A and B are square matrices of the same order then (A + B)(A – B) = ?

If A and B are square matrices of the same order then (A + B)² =?

If A =and A-1=then x=?