sederhanakanlah bentuk pecahan akar berikut. a.akar 54. b.akar 72 c.akar 48/125

a.
[tex] \sqrt{54} = \sqrt{9 \times 6} = \sqrt{9} \times \sqrt{6} = 3 \times \sqrt{6} = 3 \sqrt{6} [/tex]
b.
[tex] \sqrt{72} = \sqrt{9 \times 8} = \sqrt{9} \times \sqrt{8} = 3 \sqrt{8} = 3 \sqrt{4 \times 2} = 3 \times \sqrt{4} \times \sqrt{2} = 3 \times 2 \times \sqrt{2} = 6 \sqrt{2} [/tex]