If z 1 and z 2 be two complex number- then Re z 1 z 2-A- None of theseB- Re z 1 -Re z 2C- Re z 1 -Im z 2D- Im z 1 -Re z 2

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Complex Plane

If z 1 and z ...

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If $z_{1}$ and $z_{2}$ be two complex number, then Re $(z_{1} z_{2})$ =

(z_{1}) . R e (z_{2})

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(z_{1}) . I m (z_{2})

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(z_{1}) . R e (z_{2})

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None of these

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z_{1}

z_{2}

(z_{1} z_{2})

z_{1}, z_{2}

| z_{1} + z_{2} |^{2} = | z_{1} |^{2} + | z_{2} |^{2} .

If $| z_{1} + z_{2} |^{2}$ = $| z_{1} - z_{2} |^{2}$ where $z_{1}$ and $z_{2}$ are non-zero complex numbers, then :

z_{1}, z_{2}

R e (z_{1}) = | z_{1} - 1 |

R e (z_{2}) = | z_{2} - 1 |

a r g (z_{1} - z_{2}) = \frac{π}{6}

I m (z_{1} + z_{2})

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