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Why does exp(x+y) NOT equal exp(x)+exp(y)? [A-level Maths and Further Maths common mistake]

This is a very common mistake, so don't worry. To see why this is the case, let's go back through our notes to the "laws of indices" and recall the rule for adding powers; am

TD
Answered by Tutor56252 D. Maths tutor
8467 Views

Describe how insulin is secreted from beta cells in the Islets of Langerhans

Insulin is released in response to high blood glucose concentrations. High blood glucose concentrations means glucose is taken up by the beta-cells in the Islet's of Langerhans and is respired to produce ...

TD
7072 Views

Solve 6x^2 > 3 - 7x

First put everything to one side, 6x2 + 7x - 3 > 0

Then factorise the LHS, (3x - 1)(2x + 3) > 0

Get two answers for x, x = 1/3 or x = -3/2

Then work out where the val...

WJ
Answered by William J. Maths tutor
3040 Views

When/why should I use chord inversions in a Bach chorale?

Inversion chords serve mutiple functions in the harmonic workings of a Bach chorale. First and foremost, they allow you to keep the bassline conjunct and smooth, whilst also making the harmonic progressio...

JK
Answered by Jack K. Music tutor
9043 Views

What's the difference between exaggeration and hyperbole?

Exaggeration simply means going over the top. An example is when you are waiting for your friend, and you've been waiting 5 minutes, but you say to him: 'I've been waiting for like half an hour!'

H...

AA
Answered by Ahsan A. English tutor
59834 Views

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