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

Agniveer Vayu or IAF Group X 18 Jan 2023 Paper

Question : 44 of 70

Marks: +1, -0

If A is a square matrix such that A² = I, then (A – I)³ + (A + I)³ – 7A is equal to

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