Tolong kaa jawaban nyaaa​

Jawaban:

1. 2 √13 x √9 = 2√13 x 3 = 6√13

2. √6 (5+√12) = 5√6 + √72 = 5√6 + 6√2

3. (√2 + √3) (√2 – √3) = 2 -√6 + √6 – 3 = -1

4. √18 / √2 x √2 / √2 = 6 / 2 = 3

5. √20 / 2√5 x 2√5 / 2√5 = 20 / 20 = 1

6. √24 / √45 x √9 / √2 = 3 √24 / √90

= 6√6 / 3√10 x 3√10 / 3√10

= 18 √60 / 30