Question

Rationalize the denominator in the expression.
sq. root of 245x^7 over sq. root of y^9

Answer 1

\[\frac{\sqrt{245x^7}}{\sqrt{y^9}} \times \frac{\sqrt{y^9}}{\sqrt{y^9}} = \frac{\sqrt{245x^7} \times \sqrt{y^9}}{\sqrt{y^9}\times \sqrt{y^9}}\]

you should be able to finish it from here