1.

If \[\sum\limits_{k=0}^{100}{{{i}^{k}}}=x+iy\], then the values of \[x\] and \[y\]are

A. \[x=-1,y=0\]
B.  \[x=1,y=1\]
C. \[x=1,y=0\]
D. \[x=0,y=1\]
Answer» D. \[x=0,y=1\]


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