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If (a(1)+ib(1))(a(2)+ib(2))………………(a(n)+i...

If `(a_(1)+ib_(1))(a_(2)+ib_(2))………………(a_(n)+ib_(n))=A+iB`, then `sum_(i=1)^(n) tan^(-1)(b_(i)/a_(i))` is equal to

A

`B/A`

B

`tan(B/A)`

C

`tan^(-1)(B/A)`

D

`tan^(-1)(A/B)`

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The correct Answer is:
c
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OBJECTIVE RD SHARMA-COMPLEX NUMBERS -Exercise
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