Matrices
Xam Idea
CBSE
Grade 12
Question:
If $A = \begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}$, then $A^n$ for any $n \in \mathbb{N}$ is:
(a) $A$
(b) $n A$
(c) $O$
(d) $A^2$
Step-by-Step Solution
Key Concept: I^n = I = A.
The detailed step-by-step mathematical proof is available inside the Mathbee app workspace.
Correct Answer: $A$
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