How would you take the integral of the following two functions:
1) ∫ 25 / e^x(25 + e^2x) dx
2) ∫ 7x / x^3 + 27 dx
well, you could try this:
http://www.wolframalpha.com/input/?i=integral&a=*C.integral-_*Calculator.dflt-&f2=25+%2F%28+e^x%2825+%2B+e^2x%29+%29+&f=Integral.integrand_25+%2F%28+e^x%2825+%2B+e^2x%29+%29+&a=*FVarOpt.1-_**-.***Integral.rangestart-.*Integral.rangeend--.**Integral.variable---.*--