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Remember the rules for differentiation?

We take each term which looks like axⁿ where a and n are just numbers and we turn it into: (an)x^n-1

So for this...

There is no need to solve the quadratic equation here. Use the formulae for the sum and product of roots where:

a+b = -b/a

and

ab = c/a

Therefore...

Always begin answering questions by providing a definition. This is key in economics. Therefore, start by explaining that the national min. wage is the governments guarentee of a minimum wage per hour ...

In the GCSE Latin language papers you will inevitably come across some sentences that require a bit more attention and care to render an appropriate translation. Although these sentences may appear int...

The relative formula madd of a compound comes from the total mass of all of the elments within the compound.

So in the case of calcium carbonate (CaCO₃) we have;

...