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Complex Numbers

z1 and z2 a...

Question

$z_{1}$ and $z_{2}$ are two non-zero complex numbers such that $z_{1} = 2 + 4 i z_{2} = 5 - 6 i$ , then $z_{2} - z_{1}$ equals

A

3 - 10 i

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B

3 + 10 i

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C

7 - 2 i

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D

10 - 24 i

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Solution

The correct option is A $3 - 10 i$
$z_{1} = 2 + 4 i z_{2} = 5 - 6 i z_{2} - z_{1} = 5 - 6 i - 2 - 4 i = 3 - 10 i$

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