Answers

2016-07-03T15:37:45+08:00
Apply (u)(d/dx v)+(v)(d/dx u). With -x as your (u) and cos^2( arctan(x^2)) as your (v). As to cos^2( arctan(x^2)) apply Chain Rule of Derivatives.
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That's for getting the derivative right? I need the anti-derivatve of the equation above..