Question

1. $\sqrt{30}( \frac{10 \sqrt{6} }{ \sqrt{5} }- \frac{2 \sqrt{5} }{ \sqrt{6} }) - \sqrt{24}( \frac{2 \sqrt{2} }{ \sqrt{3} } + \frac{3 \sqrt{3} }{ \sqrt{2} } ) =$ 

2.$(\frac{ \sqrt{3} }{ \sqrt{7}+ \sqrt{5} } - \frac{ \sqrt{7}- \sqrt{5} }{ \sqrt{3} } )\frac{ \sqrt{12+2 \sqrt{35} } }{ \sqrt{27} }$

Answer 1

r......................................

Answer 2

1) =10√180/√5-2√150/√6-2√48/√3+3√72/√2=
=10√36-2√25-2√16+3√36=
=10x6-2x5-2x4+3x6=
=60-10-8+18=60