Answer :

Answer:

[tex]\sqrt{5}[/tex]

Step-by-step explanation:

To express in simplest radical form, you need to break down the main square root in smaller parts and eliminate them.

We are given:

[tex]\frac{\sqrt{245} }{7}[/tex]

We can break [tex]\sqrt{245}[/tex] into [tex]\sqrt{49}[/tex] × [tex]\sqrt{5}[/tex]

[tex]\sqrt{49}[/tex] is a perfect square which is 7

so it becomes:

[tex]\frac{7\sqrt{5} }{7}[/tex]

because 7 is present in both the numerator and denominator, we can cancel the 7 out, leaving us with:

[tex]\sqrt{5}[/tex]