Sederhanakan bentuk akar berikut(3√2 +√6) (5√2 – 2√6)
(3√2 + √6) (5√2 – 2√6)
= (3√2 × 5√2) – (3√2 × 2√6) + (√6 × 5√2) – (√6 × 2√6)
= (15 × 2) – (6 × 2√3) + (5 × 2√3) – (2 × 6)
= 30 – 12√3 + 10√3 – 12
= 30 – 12 – 12√3 + 10√3
= 8 – 2√3
Sederhanakan bentuk akar berikut(3√2 +√6) (5√2 – 2√6)
(3√2 + √6) (5√2 – 2√6)
= (3√2 × 5√2) – (3√2 × 2√6) + (√6 × 5√2) – (√6 × 2√6)
= (15 × 2) – (6 × 2√3) + (5 × 2√3) – (2 × 6)
= 30 – 12√3 + 10√3 – 12
= 30 – 12 – 12√3 + 10√3
= 8 – 2√3