Let $a$ and $b$ be nonzero complex numbers such that
\[|a| = |b| = |a + b|.\]Find the sum of all possible values of $\frac{a}{b}.$
Question:
Let $a$ and $b$ be nonzero complex numbers such that
\[|a| = |b| = |a + b|.\]Find the sum of all possible values of $\frac{a}{b}.$
Answer:
Let's think step by step.

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Let $a$ and $b$ be nonzero complex numbers such that
\[|a| = |b| = |a + b|.\]Find the sum of all possible values of $\frac{a}{b}.$
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