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यदि z एक सम्मिक्ष संख्या इस प्रकार है कि...

यदि z एक सम्मिक्ष संख्या इस प्रकार है कि `z=ln(a-1)+iln(b-1)`, तब `arg(z)` है -

A

`(pi)/(4)`

B

`(3pi)/(4)`

C

`(-pi)/(4)`

D

`(-3pi)/(4)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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