Question

3

Explain why
64
3,375
15
64
because
64
3,375
15
3,375
(Do not simplify.)

Answer 1

In general, an unresolved nth root, commonly involving a radical symbol ^n√x, is known as a surd. However, the term surd or "surd expression" (e.g., Hardy 1967, p. 25) can also be used to mean a sum of one or more irrational roots. In the mathematical literature, the term arises most commonly in the context of quadratic surds.

Explanation: