IIT JEE Advanced 2006 Paper 1

Section: Mathematics

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Question : 88 of 120

Marks: +1, -0

If w = α + iβ, where β ≠ 0 and z ≠ 1, satisfies the condition that (

w−

−

w

z

1−z

) is purely real, then the set of values of z is

[JEE Adv 2006 P1]

|z| = 1, z ≠ 2
|z| = 1, z ≠ 1
z =
−
z
none of these

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