3 years ago

When a number has a positive and a negative root, the positive root is called?

Mathematics

1 answer:

gogolik [260]3 years ago

3 0

Answer:

"principal root"

Step-by-step explanation:

The positive (even or odd) root of a positive real number is called its <em>principal root</em>.

When an odd root is taken of a negative real number, the negative real root is the principal root. That is -2 is the principal cube root of -8.

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