Question

Solve:
1.(2√5+3√3)+(3√5+4√3)
2.6√7×2√7
3.6√15÷3√5​

Answer 1

1/ (2√5 + 3√3) + (3√5 + 4√3)
= 2√5 + 3√3 + 3√5 + 4√3
= 2√5 + 3√5 + 3√3 + 4√3
= 5√5 + 7√3

2/ 6√7 × 2√7
= 6 × 2 × 7
= 54

3/ 6√15 ÷ 3√5
= 2√15√5
= 2√75
= 2 × 5√3
= 10√3