Question 43
Simplify
$$\frac{a-2}{a(a-2)+4}+\frac{11-(1+a)}{8+a^3}-\frac1{a+2}.$$
For which real values of $a$ is the expression undefined?
$$\frac{a-2}{a(a-2)+4}+\frac{11-(1+a)}{8+a^3}-\frac1{a+2}.$$
For which real values of $a$ is the expression undefined?