2009

10.28

10.28

The product is abbreviated where . The letter is called the *exponent* and the letter is called the *base*.

The **principal nth root** of is that the th root of which is if positive if is positive, and is negtive if is negative and is odd.

Thus,

The symbol is called a **radical**. Here is the *index*, is the *radicand* and is the *radical sign*. With principal square roots we usually omit the index and write instead of .

## No Comment.

Add Your Comment