Question:
Complex numbers are often used when dealing with alternating current (AC) circuits. In the equation $V = IZ$, $V$ is voltage, $I$ is current, and $Z$ is a value known as impedance. If $V = 1+i$ and $Z=2-i$, find $I$.

Answer:
We have $$
I = \frac{V}{Z} = \frac{1+i}{2-i}.
$$ Multiplying the numerator and denominator by the conjugate of the denominator, we get $$
I = \frac{1+i}{2-i} \cdot \frac{2+i}{2+i} = \frac{1(2) + 1(i) + i(2) + i(i)}{2(2) + 2(i) - i(2) - i(i)} = \frac{1+3i}{5} = \boxed{ \frac{1}{5} + \frac{3}{5}i }.
$$