Express the following in the form `a+i b :(1-i)^4`

Explanation

To express \((1-i)^4\) in the form \(a + ib\), we can follow these steps:

### Step 1: Rewrite the expression
We start with the expression \((1-i)^4\). We can rewrite it as:
\[ (1-i)^4 = ((1-i)^2)^2 \]

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