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If z=(-2)/(1+isqrt(3)) , then the value ...

If `z=(-2)/(1+isqrt(3))` , then the value of `"arg"(z)` is a. `pi` b. `pi/4` c. `pi/3` d. `(2pi)/3`

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RD SHARMA ENGLISH-COMPLEX NUMBERS-All Questions
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