if A is a square matrix x such that A^2=1,then A^-1 is:
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लेग्स्गद्रेनमोनसग्रेसिगृदिरिमोनचेग्गझुन्गिमंगीसागरे
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A
Step-by-step explanation:
given
A^2=I
multiply both sides by A^-1
A^2*A^-1=A^-1*I
A=A^-1
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