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IIT JEE Advanced 2006 Paper 1

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Question : 88

Total: 120

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

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

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

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