Question

1. 3√5(2+√5)
2.2(√5+√7)
3.√7(√3+6√7)
4.(√7-1) (2√7+6)
5.(2+√3) (3√3-6)
6.(√3-√5) (√3+√5)
7.(2√3+√5) (√3+√2)
8.(3-√7) (2-√7)
9.(√7-3√5) (2√5+2√7)
10.(√3+√5) (2√3-√5)​

Answer 1

Answer:

1.6√5+15

2.2√5+2√7

3.√21+42

4.14+6√7-2√7-6

=8+4√7

5.6√3-12+9-6√3

=-3

6.3-5=-2

7.6+2√6+√15+√10

8.13-5√7

9.-16-4√35

10.1+√15