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Find the binomial expansion of ((x^2) − 5)^3

This is a typical Core 2 maths AS question.

I would start by explaining how a formula can be used to expand this expression and similar ones. I would then explain how to create pascal's triangle an...

JC
Answered by James C. Maths tutor
6032 Views

What sort of inhibitor in an enzyme catalysed reaction is NOT affected by substrate concentration?

Non competitive inhibitors bind to a site other than the active site, called the allosteric site. As a result of this, the 3D tertiary structure of the enzyme is damaged and the enzyme is no longer capabl...

AS
Answered by Aishwarya S. Biology tutor
2991 Views

Define the term standard electrode potential

The standard electrode potential is the electromotive force of a half-cell compared to that of a hydrogen half-cell under standard conditions. Standard conditions: Temperature=298K, Pressure=100kPa; all s...

AE
Answered by Akshay E. Chemistry tutor
14554 Views

How do you find the volume of a conical frustum?

First look at the volume of a cone, V = (piRH)/3. It is clear the volume of our conical frustum will be that of a large cone minus that of a smaller one on top. Also note that the smaller cone wi...

SB
Answered by Sam B. Maths tutor
3899 Views

Can you explain the difference between diffusion and osmosis?

Diffusion refers to the movement of molecules or atoms from an area of high concentration to an area of low concentration, down a concentration gradient. It first clicked for me when I thought about it in...

JM
Answered by Jonathan M. Biology tutor
4849 Views

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