Q18 — Mathematics (read-only)

Q18

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Which of the following statements regarding matrices is FALSE?

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A. ATT=AATT=A

B. A(B+C)=AB+ACA(B+C)=AB+AC

C. (2510)(12)=(121)(2510)(12)=(121)

D. (AB)1=A1+B1(AB)1=A1+B1