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How to find the stationary point of y= x^2-108x^(1/2)+16 and determine the nature of the stationary point?

a). Find stationary point: Stationary point is the point at which the gradient equals zero. So first we must find the gradient and the set it to zero and solve: dy/dx= 2x-54x^(-1/2); now we set this to ze...

Answered by Dylan S. • Maths tutor

5465 Views

When do I have to use être and when do I have to use avoir with the perfect tense?

Être should be used with MRS VAN DER TRAMP verbs (Monter, Retourner, Sortir, Venir, Arriver, Naître, Descendre, Entrer, Rester, Tomber, Rentrer, Aller, Mourir, Partir) and any reflexive verbs (s'habiller,...

Answered by Selin B. • French tutor

3223 Views

Why did Hitler rise to power in 1933?

It would be easy to attribute Hitler's rise to power in 1933 to just one factor. However there are a lot of different elements which played an important role in Hitler's acquisition of power. Firstly, the...

Answered by Izzy J. • History tutor

3565 Views

How do you multiply an "number" with powers for example a^3 * a^6

When multiplying powers: we add the powers together (3+6) so we get a^9 When dividing powers: we subtract the powers so a^6/a^3 =(6-3)= a^3 When adding or subtracting them we do not change the power. We m...

Answered by Bryony S. • Maths tutor

4366 Views

In Stalin's Russia, how was propaganda and the purges used to strengthen his position?

Propaganda was used to create a glorified and idealised image of Stalin which eventually reached its apex with the Cult of Stalin. By presenting himself as this paternal/god like figure, Stalin was able t...

Answered by Jessica H. • History tutor

9680 Views