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What is agr (bi) where b gt0 ?...

What is agr (bi) where `b gt0` ?

A

0

B

`(pi)/(2)`

C

`pi`

D

`(3pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
arg (bi) `tan^(-1)((b)/(0))=tan^(-1)(oo)=(pi)/(2)(becauseb lt0)`
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