If A is involuntory matrix and I is unit matrix of same order, then (I-A)(I+A) is

Zero matrix

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Solution

The correct option is A
Zero matrix

(I-A)(I+A) = I - $A^{2}$ = O ,

{Since A is involuntory, therefore $A^{2}$ = I}

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Similar questions

If A is involuntory matrix and I is unit matrix of same order, then (I-A)(I+A) is

For a matrix A, if $A^{2} = I$ where I is a unit matrix of same order, then (I - A)(I + A) is

If A is involuntory matrix ( $A^{2} = I$ ) and I is unit matrix of same order, then (I-A)(I+A) is

A

(I - A) (I + A)

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