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5. Algebra of Matrices
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Q7 of 307 Page 6

If the matrix AB is zero, then

If the matrix AB is zero, then, it is not necessary that either A = 0 or, B = 0


Option (A) is the correct answer

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If A and B are two matrices such that AB = B and BA = A, then A2 + B2 is equal to

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If A, B and are square matrices or order 3, A is non-singular and AB = O, then B is a

Questions · 307
5. Algebra of Matrices
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