i^ 4 R+1 -i^ 4 R-1 2 ( R N ) is equal to : - Vidyadip

MCQ

$\frac{i^{4 R+1}-i^{4 R-1}}{2}( R \in N )$ is equal to :

A
$2$
B
$-i$
C
$-1$
✓
$i$

✓

Answer

Correct option: D.

$i$

(D)

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