Express the given complex number in the form a+ib:
(1−i)4
Answer:
−4
- (1−i)4={(1−i)2}2={12+i2−2i}2={1−1−2i}2[Since i2=−1]={−2i}2=4i2=−4[Since i2=−1]
- Hence, the representation of (1−i)4 in the form a+ib is −4.