1) ln(e^2x) / x^2 dx
any help please? i'd like to see how u did them.
Since I feel lazy try this.
Go to wolfram alpha.com
Type in integrate (function here) into the box. It will compute the answer. Hit show steps.
Second one is by subsitution of u=cosx
Or realizing the what the derivative of cos^3(x) is, messing around with the constants and applying the fundamental theorem of calculus.
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