Browse Questions

# The value of $\large\frac{1-i}{1+i}$ = ?

(A) 2 (B) -2 (C) i (D) -i
Can you answer this question?

$\large\frac{1-i}{1+i}=\frac{(1-i)^2}{1-i^2}$
(By rationalising the denominator.)
$=\large\frac{1-1-2i}{2}=-i$
answered Jul 24, 2013