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If z(1+a)=b+i ca n da^2+b^2+c^2=1, then ...

If `z(1+a)=b+i ca n da^2+b^2+c^2=1,` then `[(1+i z)//(1-i z)=` `(a+i b)/(1+c)` b. `(b-i c)/(1+a)` c. `(a+i c)/(1+b)` d. none of these

A

` (b -ic)/(1-ia)`

B

`(a+ib)/(1+c)`

C

`( 1-c)/(a + ib)`

D

`(1+ a)/( b+ic)`

Text Solution

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The correct Answer is:
B, C
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AAKASH INSTITUTE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-Assignment (Section -C) (objective Type Questions ( more thena one options are correct )
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