Question

Add
2 by 3√7 - 1 by 2√2 + 6√11 and 1 by 3√7 + 3 by 2√2 - √11

Answer 1

Step-by-step explanation:

$\frac{2}{3 \sqrt{7} } - \frac{1}{2 \sqrt{2} } + 6 \sqrt{11}$