Question

What is the sure root of 656

Answer 1

Approximately 25.6124.

Answer 2

The answer would be 656.

Extracting the root is the inverse operation of ^2:

656−−−√2×656−−−√2=656−−−√22=656

The term can be written as

656−−−√or656−−−√2

Like any positive number, the number 656 has two square roots: 656−−−√2

, which is positive and called principal square root of 656, and −656−−−√2

, which is negative.

Together, they are denominated as ± 656−−−√2

.Hope this helps!!