Question

Calculati:
1. (√3+√2)•√2;
2. (√3-√4)(1+√2)
3. (3+√2)(1+√2);
4. (√8+√2)(1+√2)
5. (-√3+√2)(1+√2);
6. (√3-√15)(1+√5);
7. (2√3-√2)(3-√2);

Answer 1

1. √6 + 4

2. √3+√6-2-2√2

3. 3+3√2+√2+2=5+4√2

4. √8+4+√8+2=2√8+6

5. -√3-√6+√2+2

6. √3+√15-√15-5√3= -4√5

7. 6√6-2√6-2√6+2=2√6+2