Find the value of i^n + i^n+1 + i^n+3 (A)-1 (B)0 (C)1 (D)i
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i^n + i^n+1 + i^n+3= i^n (1+i+i^3) =i^n(1+i-i) since i^3=-i
=i^nx1=i^n
=i^nx1=i^n
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