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Activity 5.5.3.
For each of the following integrals, evaluate the integral using
\(u\)-substitution and/or an entry from the table found in
Appendix A.
(a)
\(\int \sqrt{x^2 + 4} \, dx\)
(b)
\(\int \frac{x}{\sqrt{x^2 +4}} \, dx\)
(c)
\(\int \frac{2}{\sqrt{16+25x^2}}\, dx\)
(d)
\(\int \frac{1}{x^2 \sqrt{49-36x^2}} \, dx\)
