How do you calculate ang principal square root po hindi malinaw ang explanation nung sakin eh kailangan ko po ng malinaw na explanation and step by step need now po
Any nonnegative real number x has a unique nonnegative square root r; this is called the principal square root .For example, the principal square root of 9 is sqrt(9) = +3, while the other square root of 9 is -sqrt(9) = -3.
