Express in form of a+ib
(1-i)/(1+i)...
Please help me expert......
(1-i)/(1+i)
= (1-i)*(1-i)/(1+i)*(1-i) {Rationalising the denominator}
= (1-i)2/(12-i2)
= (1+i2-2i)/(12-[-1])
= (1-1-2i)/(2)
= (-2i)/2
= -i
= 0+(-1)i {In the form a+ib where a=0 and b=-1}