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Question

Let z being a non-zero complex number such that |z|=1 then find the value of ∣∣z−1∣∣.

A
1
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B
2
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C
3
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D
none of these
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Solution

The correct option is D 1
Given, for the non-zero complex number z such that |z|=1......(1)
Now,
z1
=1z
=1|z|
=1 [ Using (1)]

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