will be real, if is |
|||||||

a) |
b) |
c) |
d) |
None of these |

will be real, if is |
|||||||

a) |
b) |
c) |
d) |
None of these |

1 Answer

127 votes

**(c)**

We have,

Since, it is real therefore Im ( ) should be zero

127 votes

127