A square matrix - A- is said to be an idempotent matrix if - A-2 - A- -160-If - A- and - B- are idempotent matrices and - AB - BA- then which of the following is an idempotent matrix- A - B- AB- B-A- A -B-

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Involutory Matrix

A square matr...

Question

A square matrix $A$ is said to be an idempotent matrix if $A^{2} = A$ . If $A$ and $B$ are idempotent matrices and $A B = B A$ , then which of the following is an idempotent matrix

A + B

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A B

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A - B

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B - A

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Similar questions

A

A^{2} = A

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A^{2} = A

B = I - A

A

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A

B

A + B = l .

A B = B A = 0.

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A B = B A = 0

A + B

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