Mathematics · Matrices
If A and B are square matrices of the same order such that AB = A and BA = B, then A2 + B2 is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A + B✓
- 2BA
- 32(A + B)
- 42 BA
Correct answer
A + B
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