Question

Rationalize the denominator of 4root7 / 5root10

Answer 1

Answer:

$\frac{4 \sqrt{7} }{5 \sqrt{10} }$

$\frac{4 \sqrt{7} }{5 \sqrt{10} } \times \frac{5 \sqrt{10} }{5 \sqrt{10} }$

$\frac{20 \sqrt{7 \times 10} }{250}$

$\frac{ \sqrt{70} }{12.5}$