Question

Tlong bantu yah, gpl​

Answer 1

Penjelasan dengan langkah-langkah:

1. Pakai kali silang

18 - 6√6 + 3√12 + 6√6 - 12 + 2√18 + 3√12 - 2√18 + 6

= 12 + 6√12 = 12 + 12√3

2. √5 - 2√5/4 + 2√5/5 = 20√5/20 - 10√5/20 + 8√5/20

= 18√5/20 = 9√5/10

3. 3√2(√6 + √3)/(√6 + √3)(√6 - √3) - 3(3 + √6)/(3 + √6)(3 - √6)

= 3√12 + 3√6 - 9 - 3√6/3

= 6√3 - 9/3 = 2√3 - 3

4. 3√2 (√3 - √6)/(√3 + √6)(√3 - √6) - 4√3 (√6 - √2)/(√6 + √2) (√6 - √2) + √6 (√3 - √2)/(√3 + √2)(√3 - √2)

= 3√6 - 6√3/(-3) - 12√2- 4√6/4 + 3√2 - 2√3/1

= - √6 + 2√3 - 3√2 + √6 + 3√2 - 2√3

= 0

Semoga paham dan semoga membantu :}