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Complex Plane

If z and z' a...

Question

If z and z' are complex numbers such that z.z' = z, then z' =

A

0+i0

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B

1+0i

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C

0+i

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D

1+i

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Solution

The correct option is B 1+0i
According to condition z'' is multiplicative identity therefore z' = 1 + 0i.

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