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Complex Numbers

Section: Mathematics

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Question : 18

Total: 36

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(

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

[JEE Adv 2017 P1]

−1−√1−y2
1+√1−y2
−1+√1−y2
1−√1−y2

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