Question

If for the matrix A, A^3 = I, then A inverse =?

Answer 1

Answer:

A3=I⇒A(A2) = I ⇒ A−1=A

Answer 2

Answer:

1

Step-by-step explanation:

A^3=1

so taking cube to RHS it will become cube root of 1

A=1

A inverse = 1/A=1/1=1