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For any right-angled triangle, the square of the hypotenuse (the side opposite the right angle) is the sum of the square of the remaining two sides.
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 tutor40224 Views
y=x^PLAnswered by Pascal L. • Maths tutor16262 Views
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