Question

Rationalise the denominator of the following. Write in full method​

Answer 1

hope this will help u

plzz mark as brainlist ans.

Answer 2

• Step-by-step explanation:

$\frac{7}{4 \sqrt{5} } = \frac{7 \times \sqrt{5} }{4 \sqrt{5 \times \sqrt{5 } } } \\ = \frac{7 \sqrt{5} }{4 \times 5} = \frac{7 \sqrt{5} }{20}$