1.

The value of \[{{i}^{1+3+5+...+(2n+1)}}\] is [AMU 1999]

A. i if n is even, - i if n is odd
B. 1 if n is even, - 1 if n is odd
C. 1 if n is odd, - 1 if n is even
D. i if n is even, - 1 if n is odd
Answer» D. i if n is even, - 1 if n is odd


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