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If A^2 - A + I = O, where O is the zero matrix and I is the identity matrix, then A^-1 is

CUET UG 2022 — Mathematics Algebra

2022mcqmedium

If A2−A+I=OA^2 - A + I = OA2−A+I=O, where O is the zero matrix and I is the identity matrix, then A−1A^{-1}A−1 is

Official previous-year question

Held on 23 Aug 2022 · Verified 13 Jul 2026.

Options

  1. A

    I−AI - AI−A

  2. B

    A−IA - IA−I

  3. C

    A+IA + IA+I

  4. D

    AAA

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