Express the given complex number in the form : a + ib (1 – i)4

Express the given complex number in the form : a + ib  (1 – i)4

Asked by Abhisek | 1 year ago |  98
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Class 11 Maths Complex Numbers and Quadratic Equations         Add Answer

1 Answer

Solution :-

(1 – i)4 = [(1 – i)2]2

= [1 + i2 – 2i]2

= [1 – 1 – 2i]2 [i2 = -1]

= (-2i)2

= 4(-1)

= -4

Hence, (1 – i)4 = -4 + 0i

Answered by Pragya Singh | 1 year ago
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