xg4096number301987 xg4096number301987 07-07-2024 Mathematics Answered If $a \neq 0$, calculate the following:\begin{align*} (a^2 + a) \cdot \frac{1}{a} - \frac{1}{a} \cdot \left(a+1-a^2\cdot \left( \frac{1}{a} \right)^2\right)^2 \end{align*}