How Liam Delap is able to work out cube roots quickly and look like a maths genius, and the simple trick you can learn to do it yourself

The Chelsea striker has gone viral for his ability to immediately give the answer to a tricky-sounding maths question ...
BBC

Power and roots

\({9}\) is a square number. \(3 \times 3 = 9\) \(3 \times 3\) can also be written as \(3^2\). This is pronounced "\({3}\) squared". \({8}\) is a cube number. The ...