Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The smallest positive integral value of ' 
' such that 
is purely imaginary is,
Text Solution
Verified by ExpertsThe correct answer is:
C
which is purely imaginary then
keep 
.
we get 
,
Smallest positive integral value of 
is 4
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems