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Solve for z : z^2-(3-2i)z=(5i-5)dot...

Solve for `z : z^2-(3-2i)z=(5i-5)dot`

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`z^(2) - (3-2i)z = (5i -5)`
`or z^(2)-(3-2i)z-(5i-5) =0`
`or z=((3-2i)pmsqrt((3-2i)^(2)+4(5i-5)))/(2)`
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CENGAGE PUBLICATION-COMPLEX NUMBERS-ILLUSTRATION
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  2. Evaluate : i^(135)

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