Notice this is different to the square root symbol because there is a small subscript 3 in front of the \(\sqrt{}\). Using the cube root button on the calculator we see that \(\sqrt[3]{1728}\) ...
Module 8 (M8) - Algebra - Surds Surds are irrational numbers containing a square root sign. They are square roots of numbers that are not square. Irrational numbers cannot be expressed as fractions.