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Find the Co-ordinates and nature of all stationary points on the curve y=x^3 - 27x, and attempt to sketch the curve

Firstly we need to find the stationary points, we know that when the first derivative of the curve is equal to 0, this means it is a stationary point as there is no effective gradient. The first derivative i...
AK
Answered by Ahmed K. • Maths tutor
6554 Views

What is the difference between “als” and “wie”?

The difference is basically the same as between “than” and “as”, respectively. You would use “als” when comparing two things that aren’t on the same level ( for example: better THAN = besser ALS). “Wie” on t...
AP
Answered by András P. • German tutor
2645 Views

How is drama created in Act 3, Scene 3, of Shakespeare's 'Othello'?

First, we must consider this scene in relation to the rest of the play. This comes right in the middle, and pinpoints the moment Othello is transformed from a jealous husband to Iago's puppet. In this alone ...
CR
Answered by Callum R. • English tutor
7470 Views

To what extent was the Scramble for Africa due to power dynamics within Europe?

This is a factor essay question. Therefore, you must include the given factor (power dynamics within Europe) in your answer, but you must also include other factors - I suggest two further factors - to demon...
AA
Answered by Amber A. • History tutor
2689 Views

Describe how an endotherm prevents its body temperature from rising when external temperatures increase?

An endotherm detects external temprature increases through peripheral skin receptors just beneath the skins surface. This causes impulses (action potentials) to travel to the thermoregulatory centre in the H...
JO
Answered by Jack O. • Biology tutor
4331 Views