Let A = 
and B = 
In order for A and B to be inverses, x and y must be
A. x = 1, y = 1.
B. x = -1, y = 1.
C. x = -1, y =-1.
D. x = 1, y = -1.
E. none of these
Answer: A
Mathematics
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, w = 
B. h = 
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C. h = 
, w = 3
D. h = 3
, w = 
,
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