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Study Stuff for MCA Examinations - NIMCET
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Which of the following statements are NOT TRUE?
(A) If A and B are symmetric matrices, then AB – BA is a skew symmetric matrix.
(B) Multiplying a determinant by k means multiply elements of one column by k.
(C) If $A^2-A+I=0$ , then $A^-1$ is equal to A + I.
(D) If A and B are invertible matrices of same order, then $(A+B)^{-1}=B^{-1}+A^{-1}$.
Choose the correct answer from the options given below:
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Commented Mar 15, 2025
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