Home Maths Complex Number Skill Builder The equation has a root ; where , and b…
Maths Complex Number Skill Builder Single Correct MCQ
Published on: August 14, 2026

The equation has a root ; where , and belong to the set of complex numbers. The value of

A
is
B
is 1
C
is 2
D
can't be determined

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Text Solution

Verified by Experts
The correct answer is:
B

We have

Taking conjugate of both sides, we get

Dividing this equation by and writing the terms in reverse order, we get

…… .. (ii)

Since equations (i) and (ii) are identical,

Therefore, if is a root of the given equation, then .

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