If A is a square matrix such that $A^2=A - CUETMOCK

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Matrices

Question:

If A is a square matrix such that $A^2=A$, then $(I+A)^3-7 A$ is equal to:

Options:

A

3A

I

A - I

Correct Answer:

I

Explanation:

The correct answer is Option (3) → I

CUET Questions