Question

5 / (7 root - 5 root)

Answer 1

$\huge{\boxed{\mathcal\pink{\fcolorbox{red}{white}{Answer}}}}$

$\frac{5}{ \sqrt{7} - \sqrt{5} }$

on rationalisation

$\frac{5}{ \sqrt{7} - \sqrt{5} } \times \frac{ \sqrt{7 + } \sqrt{5} }{ \sqrt{7} + \sqrt{5} }$

on solving furthermore

$\frac{5( \sqrt{7} + \sqrt{5} )}{( { \sqrt{7}) }^{2} - { (\sqrt{5}) }^{2} }$

$\frac{5 \sqrt{7} + 5 \sqrt{5} }{7 - 5}$

$\frac{5 \sqrt{7} + 5 \sqrt{5} }{2}$

hope it help ❣