Question

Simplify:-) √18/5√18+3√72+2√162.
Required urgently​

Answer 1

$\frac{ \sqrt{18} }{5 \sqrt{18} + 3 \sqrt{72} + 2 \sqrt{162} } \\ = \frac{3 \sqrt{2} }{ 15\sqrt{2} + 18 \sqrt{2} + 18 \sqrt{2} } \\ = \frac{3 \sqrt{2} }{51 \sqrt{2} } \\ = \frac{1}{17}$