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Q.

If z ≠0 is a complex number such that Re(z) = 0, then

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a

Re⁡z2=0

b

Im⁡z2=0

c

Re⁡z2=Im⁡z2

d

Im⁡z2<0

answer is B.

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Detailed Solution

Let z = bi, b∈R,     b ≠ 0,Then z2=−b2∈RTherefore , Im⁡z2=0
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