Determine the values of the following integrals using MATLAB's symbolic functions.

(a) $\int 5 x^{7}-l x^{5}+3 x^{3}-8 x^{2}+7$

(b) $\int \sqrt{x} \cos x$

(c) $\int x^{2 / 3} \sin ^{2} 2 x$

(d) $\int_{0.2}^{1.8} x^{2} \sin x d x$

(e) $\int_{-1}^{-0.2}|x| d x$