If 
is purely imaginary number, then 
is equal to
a)
b)
1
c)
d)
If is purely imaginary number, then is equal to
a)
b)
1
c)
d)
Question ID - 104035 | SaraNextGen Top Answer
If is purely imaginary number, then is equal to
a)
b)
1
c)
d)
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If |
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a) |
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b) |
1 |
c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (b) -
(b)
It is given that 
is purely imaginary. So, let
127 votes
Answer Link
127