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Consider the equation x^2+5x+6=0. In order to factorise this equation you first need to think of what numbers sum to make 5 (the coefficient of x) and whose product equals 6 (the number not multiplied by ...
First we need to get everything that is not x on to one side. This will then leave us with 4x=3g- 8s-9t. Now we need to remove the coefficient of x which will result in x=1/4(3g-8s-9t)- as we have x on it...
use the formula integral(uv') = uv - integral(vu') so the tricky integral can be avoided (this formula can be derived from integrating the product rule) so in these questions all you need to ...
First expand the equation, giving us 2x^3 + 5x^2Then you can differentiate the equation by multiplying the number at the front of x by its power.Only then, we need to subtract 1 from the power.This gives ...
Uniform means that the centre of mass is half way up the ladder. Smooth wall means no friction is felt on the wall and rough ground means that there is friction felt there. First, draw a diagram and take ...
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