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If f(z)=(7-z)/(1-z^2) , where z=1+2i , t...

If `f(z)=(7-z)/(1-z^2)` , where `z=1+2i ,` then `|f(z)|` is `(|z|)/2` (b) `|z|` (c) `2|z|` (d) none of these

A

`(|z|)/(2)`

B

`|z|`

C

`2|z|`

D

None of these

Text Solution

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The correct Answer is:
A
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