If 
(
R) is a purely imaginary number and 
= 2, then a value of 
is :
a.
1
b.
2
c.
d.
( R) is a purely imaginary number and = 2, then a value of is :a.
1
b.
2
c.
d.
Question ID - 57208 | SaraNextGen Top Answer If ( R) is a purely imaginary number and = 2, then a value of is :
a.
1
b.
2
c.
d.
If ( R) is a purely imaginary number and = 2, then a value of is :
|
a. |
1 |
b. |
2 |
|
c. |
|
d. |
|
1 Answer
127 votes
+ 
= 0
+ z
− 
−
+z
– z
+
− 
= 0
= 
a = 
127