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To make x the subject we want to try to get all the x's on one side of the equals sign! Firstly to get rid of the fraction we multiply both sides by 2, giving 3x+y= 2(x+z). We then expand the brackets on ...

The integral of any equation let the example be dy/dx = ax^n The integral of (RHS) dy/dx (because when we integrate we are integrating both sides) is y The integral of (LHS) ax^n is  [ax^(n+1)]/[n+1] when...

i. A surd is an irrational number i.e. a non-whole number that can be represented as a square root, cube root etc.

ii. If the area of the square shape is 50cm^2, then we know that the length multip...

Maths A level is one of the hardest a levels there is, so it’s only natural that you’re going to be finding it tough. The jump from GCSE to A level is real, and if you haven’t done a further maths qualifi...

I know at first a lot of the formulae or techniques you use in maths may at first seem pointless, especially if you’re not planning on going into a scientific or mathematical field, but a lot of the thing...