1.

If \[{{2}^{x-y}}=16\]and \[{{2}^{x+y}}=64,\]find the values of \[x\]and \[y.\]

A.  3, 2                       
B.         4, 2                       
C.  \[5,1\]                 
D.        \[6,3\]
Answer» D.        \[6,3\]


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