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Find the integral of x^2e^x

To solve this integral you should use the integration by parts formula, which is uv - integral of vu'. First let x^2 be u, therefore u'(the differential of x^2) = 2x, v' = e^x and therefore v (integral of e^...
JG
Answered by Jade G. • Maths tutor
8884 Views

How do I expand double brackets?

Use the moon method. E.g. (x+1)(x+2) multiply x with x multiply x with 2 mutiply 1 with x multiply 1 with 2 If you draw this out it will look like a moon shape. now put the like terms together
SH
Answered by Sulayman H. • Maths tutor
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A bag contains 10 apples. Three of the apples are green and seven of the apples are red. If an apple is pulled from the bag at random, what is the probability that the apple will be green?

3/10
JP
Answered by Joe P. • Maths tutor
3412 Views

find the integral between the limits 0 and pi/2 of sin(x)cos(x) with respect to x.

1/2
JP
Answered by Joe P. • Maths tutor
4536 Views

How do I integrate ln(x), using integration by parts?

This is a common question among A-Level Maths students, as integration by parts requires 2 things: 1. Something to integrate ; 2. Something to differentiate. In ln(x), we can immediately see that ln(x) is th...
MK
Answered by Mustafa K. • Maths tutor
4168 Views