Akar 72 × 2 akar 3 : akar 6

Akar 72 × 2 akar 3 : akar 6

4√18 – √72
= 4√(9 x 2) – √(36 x 2)
= 12√2 – 6√2
= 6√2

$sqrt{72} times 2 sqrt{3} div sqrt{6} \ = sqrt{72} times sqrt{12} div sqrt{6} \ = sqrt{72 times 2} \ = sqrt{36} \ = 6$
#semoga membantu