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Cellular structure of the brain

The cellular structure of the brain is a relatively recent discovery and it's Santiago Ramòn y Cajal that recognised it; in addition to this he recognised the neuron as the basic unit. Three main elements ca...
SD
Answered by Sara D. • Biology tutor
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Given y = 2x(x^2 – 1)^5, show that dy/dx = g(x)(x^2 – 1)^4 where g(x) is a function to be determined.

y=2x(x 2 -1) 5 dy/dx= 2(x 2 -1) 5 + 2x*10x(x 2 -1) 4 dy/dx=(x 2 -1) 4 (2x 2 -2+20x 2 )dy/dx=(x 2 -1) 4 (22x 2 -2)
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Answered by Katie S. • Maths tutor
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What is the core periphery model?

The core-periphery model is one used to describe the globalised world. A country with many international political, economic and social interactions is considered core. E.g UK. Whilst a country with limited ...
SW
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How would I go about structuring a 15 mark answer in A2 Politics

The key way to go about structuring a 15 marker is to divide your answer into three sections, this allows you to cover a wide range of points that the question is looking for without spending too much time a...
JB
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A small stone is projected vertically upwards from a point O with a speed of 19.6m/s. Modelling the stone as a particle moving freely under gravity, find the length of time for which the stone is more than 14.7 m above O

We want to find out the time during which the stone is above a certain point. As this stone is thrown upwards we know that the first time it passes this point it will be on its way up and when it passes the ...
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Answered by Aaron G. • Maths tutor
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