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Use integration by parts

let u=ln(x)

let dv/dx=x

therefore du/dx=1/x and v=(1/2)x^2

therefore the integral of xln(x) is equal to the following:

(1/2)x^2ln(x) - (integral...

36x^2 + 4

1. Take the third person plural of the verb in the preterite tense: Estar - estuvieron 

2. remove the 'on' - estuvier

3. Add 'a' on the end to form the first person si...

In this question you don’t need an introduction or a conclusion. You need 3/4 points, in rank order of importance (this can be done by using language such as ‘firstly and mos...