Question

11. If z(1 + a) = b + ic and a? + b2 + c = 1, then [(1 + iz)/(1 - iz) =?

a. (a+ib)/1+c
b. (b-ic)/ 1 +a
c. (a+ic)/1+b
d. none


I want the solution with explanation!

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Answer 1

Answer:it is your answer