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Usually the easiest way to find the root of a quadratic is to factorise it so you have something a form similar to - (x+2)(x-1)=0.
From here you need to find a value for x that makes each brac...
The integral of log(x) is not necessarily straight-forward. Though we can use the fact that d/dx(log(x)) = 1/x to help us.
Rather than simply trying to integrate log(x), we can use integration...
The key to solving any integral of this form is to use the cosine rule:
cos(2x) = cos2(x) - sin2(x) = 2cos2DFAnswered by Daniel F. • Maths tutor39582 Views
y=x^PLAnswered by Pascal L. • Maths tutor15735 Views
If you aren't lucky enough to be told in the question, the first thing we have to do is know when we should you integration by parts.
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