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There are different ways of solving quadratic equations but this one asks for you to solve by factorisation. This is where you take the equation on the left hand side and rewrite it into brackets - two bi...

The acidity of a compound is measured by its pKa, which is defined as: pKa=-log([H⁺]) ([H⁺] is the concentration of H⁺ in solution). As [H⁺] increases, pKa decr...

Imagine the function f(x) as a black box which takes in any value x and produces an output y. The black box acts on its input according to a rule which produces a unique value of y for a given x. If the b...

Universities are interested in who you are as a person, not just as a results sheet. University is a time to finally focus on studying something you are truly interested in, so you need to show through yo...

First set up integral. Do not forget dx!

Int(f(x)) between 0 and 1

Optionally take out factor of 3 to simplify problem.

Solve using substitution and the exponential rule.

Integ...