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Complex Numbers

If z1=3+4i,...

Question

If $z_{1} = 3 + 4 i, z_{2} = 2 - i$ find $z_{2} - z_{1}$

A

-1-5i

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B

2-5i

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C

1+5i

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D

1-5i

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Solution

The correct option is C -1-5i
Given $z_{1} = 3 + 4 i z_{2} = 2 - i z_{2} - z_{1} = 2 - i - 3 - 4 i = - 1 - 5 i$

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