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integrate from 0 to 2: 2x*sqrt(x+2) dx

There are a few ways to go about this question. I will do a substitution using u=(x+2)1/2. From this equation we need to find x in terms of u, the new limits of the integral and dx in terms of ...

TW
Answered by Tom W. Maths tutor
11648 Views

Explain the meaning of the subjunctive mood and give some examples of when it is used

The subjunctive mood in French is deployed where a particular utterance indicates a certain attitude or opinion on behalf of the speaker. The subjunctive mood is deployed mostly in situations of doubt or ...

RM
Answered by Rosie M. French tutor
2948 Views

What are the differences between directional and stabilising selection? Give an example of each.

In directional (a.k.a. adaptive) selection, one extreme of a population has a selective advantage i.e. is fitter than other individuals of the population. This causes a directional shift towards this extr...

BS
Answered by Ben S. Biology tutor
4902 Views

Est-ce que vous pensez que les réseaux sociaux jouent un rôle positif ou négatif de nos jours ?

D’un côté, on peut dire que les réseaux sociaux, tel que Facebook, nous offrent plein de bienfaits. Premièrement, grâce à eux, on peut soutenir le contact facilement avec la famille et les amis qui ne viv...

DD
Answered by Daniel D. French tutor
1942 Views

How do you differentiate using the chain rule?

At first the chain rule can seem quite daunting and convoluted but with a few examples over the course of this lesson, it will seem simpler and more intuitive.
The chain rule is used where the equat...

AK
Answered by Alex K. Maths tutor
3183 Views

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