Question

The of square root of 36 is rational or irrational?

Answer 1

√36 has two forms:
6 or -6
These forms are rational, not irrational.

Process to has the root of 36
36=6x6
So: √36=6x6
6x6=6²
√36=√6²
The number´s root is: √a=a^{1/2}
√36=√6²=6^{2/2} =6
Finally: √36=6