Express of the complex number in the form `a+ib`.
`[(1/3+i7/3)+(4+i1/3)]-(-4/3+i)`

Explanation

To express the complex number in the form \( a + ib \), we start with the given expression:

\[ \left( \frac{1}{3} + i \frac{7}{3} \right) + \left( 4 + i \frac{1}{3} \right) - \left( -\frac{4}{3} + i \right) \]

### Step 1: Simplify the expression inside the brackets
We first simplify the expression by combining the terms inside the brackets.
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