Question

Rationalise the denominator 3 / 4✓5​

Answer 1

hope this helpfull...

Answer 2

$\frac{3}{4 \sqrt{5} } \times \frac{4 \sqrt{5} }{4 \sqrt{5} } \\ = \frac{12 \sqrt{5} }{16 \times 5} \\ = \frac{12 \times \sqrt{5} }{16 \times \sqrt{5} \times \sqrt{5} } \\ = \frac{12}{16 \sqrt{5} }$