JEE Main 15 Apr 2018 Shift 1 Solved Paper

Section: Mathematics
© examsiri.com
Question : 63 of 90
 
Marks: +1, -0
The set of all αR, for which w=
1+(18α)z
1z
is a purely imaginary number, for all zC satisfying |z|=1 and Re Z1, is:
[Main 15 April 2018 S1]
Go to Question: