If A = 1/2 [{1 √3} {-√3 1}], then:

Question

If \(A = \frac 12\begin{bmatrix} 1&\sqrt 3\\-\sqrt 3 &1\end{bmatrix}\), then:

1) A³⁰ – A²⁵ = 2I

(2) A³⁰ + A²⁵ + A = I

(3) A³⁰ + A²⁵ – A = I

(4) A³⁰ = A²⁵

Answer 1

Correct option is (3) A³⁰ + A²⁵ – A = I