A) \[b=0,c=0\]
B) \[b=0,d=0\]
C) \[a=0,c=0\]
D) \[a=0,d=0\]
Correct Answer: B
Solution :
\[a+ib>c+id\], it is defined if and only if imaginary parts must be equal to zero. Therefore \[ib=id=0\]Þ \[b=d=0\] \[(\because i\ne 0)\]
You need to login to perform this action.
You will be redirected in
3 sec
