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The principal value of arg(z) lies in th...

The principal value of `arg(z)` lies in the interval :

A

`[0,(pi)/(2)]`

B

`[-pi,pi]`

C

`[0,pi]`

D

`[-pi,0]`

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The correct Answer is:
B
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PREMIERS PUBLISHERS-COMPLEX NUMBERS-Problem for practice
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  14. Which of the following is correct statement ?

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  19. If |z-z(1)|=|z-z(2)| then the locus of z is :

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