Question

2√30÷√6-3√140÷√28+√55÷√99

Answer 1

zero is the answer of given qstn

Answer 2

2\sqrt{3}\frac{0}{\sqrt{6}}-3\sqrt{1}\frac{40}{\sqrt{2}}\cdot \:8+\sqrt{5}\frac{5}{\sqrt{9}}\cdot \:9=15\sqrt{5}-480\sqrt{2}