Hasil dari 2√10 x 7√2 =​

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Hasil dari 2√10 x 7√2 =​

PENYELESAIAN

2sqrt{10}times 7sqrt{2}\= 2times7times sqrt{10times 2}\= 2times 7times sqrt{20}\= 14sqrt{20}\= 14sqrt{4times 5}\= 14times 2sqrt{5}\= 28sqrt{5}