# Suppose that f (z) = x2 y2 2y + i(2x 2xy), where z = x + iy. Use the expressions

## Question:

to write f(z) in terms of z, and simplify the result.

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## Step by Step Answer:

**Related Book For**

## Complex Variables and Applications

**ISBN:** 978-0073051949

8th edition

**Authors:** James Brown, Ruel Churchill

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