Note \(t\) cannot be cancelled as there is no \(t\) term in the +2 in the numerator. In this example, both the numerator and the denominator can be factorised. The numerator is a quadratic with no ...

Save guides, add subjects and pick up where you left off with your BBC account. \(\frac{\sqrt{2}}{2}\) \(\frac{\sqrt{6}}{2}\) \(\frac{5 \sqrt{3}}{6}\) Multiply the ...