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Maths
A Level

Integrate ((x^3)*lnx)dx

Using integration by parts, answer = 1/4x4lnx - 1/16x+ C

IS
Answered by Imogen S. Maths tutor
4822 Views

If f(x) = x^2 - 3x + 2, find f'(x) and f''(x)

f'(x) is the first derivative of f(x) therefore f'(x) = 2x - 3

To find f''(x) simply take the derivative of f'(x), therefore f''(x) = 2

PO
Answered by Peter O. Maths tutor
4524 Views

Differentiate e^2x

=2e^2x 

Rule: f(x)= e^kx

         f'(x)= ke^kx

TF
Answered by Tesni F. Maths tutor
4652 Views

What are radians and what are they used for?

Radians are a unit of measurement. They work in the same way that we use ounces to measure mass or metres to measure length. Radians are however used to measure angles, the more common unit of measuring a...

LS
Answered by Linfan S. Maths tutor
5018 Views

Given that y = ((4x+3)^5)(sin2x), find dy/dx

First of all, we have to use the product rule, since two things are multiplied together.  The product rule states that d/dx (u*v) = vu' + uv'

Let u = (4x+3)5  v = sin(2x)

Now, to ...

JN
Answered by Juozas N. Maths tutor
3361 Views

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