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You will be presented with two equations, both with two unknown values. For example:

8x-2y=19

and

3x=5+y

To begin, we are going to move both unknown terms in ...

=3x(3+y+3zy)

There are two types of fraction integrals you might come across. Fractions where the denominator is factorisable and fractions where it is not. So first try an...

Recall that a geometric progression is a sequence (a_n) defined ...