Find the products AB and BA to determine whether B is the multiplicative inverse of A.A = ,B = 

A. B = A-1
B. B ? A-1


Answer: B

Mathematics

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A.
B.  ? 
C.  ? 
D.  ? 

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A. 16i B. -16 C. 63i D. -16i

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Evaluate the expression.(-x)0 when x ? 0

A. 1 B. -1 C. x D. 0

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