Let a, b, x and y be real numbers such that a-b=1 and y\neq0.If the complex number z=x+iy satisfies lm(\frac{az+b}{z+1})=y, then which of the following is (are) possible value(s) of x? [JEE Adv 2017 P1]

JEE Advanced 2017 Paper 1

Section: Mathematics

Question : 37 of 54

Marks: +1, -0

Let a, b, x and y be real numbers such that a−b=1 and y≠0.If the complex number z=x+iy satisfies lm(

az+b

z+1

)=y, then which of the following is (are) possible value(s) of x?

[JEE Adv 2017 P1]

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