A) \[2-i\]
B) 1
C) 3
D) \[-1\]
Correct Answer: A
Solution :
\[1+{{i}^{2}}+{{i}^{3}}-{{i}^{6}}+{{i}^{8}}\] \[=1+(-1)+(-i)-(-1)+1\] \[[\because \,i=\sqrt{-1}]\] \[=2-i\]You need to login to perform this action.
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