If a, b, c are non-zero real numbers and az 2 + bz + c + i …

Maths Complex Number Algebra of Complex Numbers Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

If a, b, c are non-zero real numbers and az 2 + bz + c + i = 0 has purely imaginary roots, then a equals -

bc 2

b 2 c

–b 2 c

–bc 2

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The correct answer is:

Let is root where

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