Question

solve the question 3

Answer 1

$(4 \sqrt{5} + 3 \sqrt{7} + \sqrt{6} ) + (2 \sqrt{5} + 4 \sqrt{6} ) \\ = 4 \sqrt{5} + 3 \sqrt{7} + \sqrt{6} + 2 \sqrt{5} + 4 \sqrt{6} \\ = (4 + 2) \sqrt{5} + (4 + 1) \sqrt{6} + 3 \sqrt{7} \\ = 6 \sqrt{5} + 5 \sqrt{6} + 3 \sqrt{7}$