Home Maths Complex Number Skill Builder If , then the value of the product must be
Maths Complex Number Skill Builder Single Correct MCQ
Published on: August 13, 2026

If , then the value of the product must be

A
, if
B
, if
C
(1-i) , if
D
, if

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Verified by Experts
The correct answer is:
B

We have

Use the identity:

So

Now, 1 -

Also, , so

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