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The aim of this maths question is to find the two unknowns, x and y, by using simultaneous equations. Simultaneous equations can be solved by either using the elimination method or the substitution method...

Integrating by parts requirez recognition that ln(x) is equal to ln(x) multiplied by 1. Making u equal to ln(x) should make the integration trivial. Differentiation is a simple use of the product rule and...

The subjunctive tense is probably the trickiest element of Spanish A level grammar, which is why demonstrating that you know how to use it correctly in assessments, will edge you into that top mark band.<...

The equation looks horrible to start so we need to tidy it up. We do this by firstly getting rid of the fraction. This means that we need to multiply everything else by the denominator (which in this case...

It can sometimes be confusing to identify what case you are about to use in German due to the fact that we don't have these cases in English. However, knowing confidently what case to use is the first ste...