Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Consider the complex numbers 
.
(i) The value of 
for which 
is purely real are
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(i) , (ii) , (iii) , (iv)
If 
is purely real, then
or 
If 
is purely imaginary, 
or 
,
which is not possible.
If 
, then
We have,
Now, 
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