Perform the Indicated Operations $\frac{2 x^{2}-2 x-4}{24 x^{4}+8 x^{3}} \cdot \frac{6 x^{8}+8 x^{7}+2 x^{6}}{x^{4}-5 x^{2}+4}$

Essay

Perform the indicated operations.
(a) $\frac{2 x^{2}-2 x-4}{24 x^{4}+8 x^{3}} \cdot \frac{6 x^{8}+8 x^{7}+2 x^{6}}{x^{4}-5 x^{2}+4}$
(b) $\frac{2 x}{x^{2}+3 x+2}+\frac{x}{x^{2}-1}$
(c) $\frac{m+2 n}{x-y}+\frac{m-2 n}{y-x}$
(d) $\frac{p+\frac{1}{p}}{p-\frac{1}{p}}$