berapa hasil dari?2√8+3√18+4√72
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[tex]2 \sqrt{8} + 3 \sqrt{18} + 4 \sqrt{72} [/tex]
[tex]= 2 \sqrt{4 \times 2} + 3 \sqrt{9 \times 2} + 4 \sqrt{36 \times 2} [/tex]
[tex]= 2 \times 2 \sqrt{2} + 3 \times 3 \sqrt{2} + 4 \times 6 \sqrt{2} [/tex]
[tex]= 4 \sqrt{2} + 9 \sqrt{2} + 24 \sqrt{2} [/tex]
[tex]= (4 + 9 + 24) \sqrt{2} = 37 \sqrt{2} [/tex]
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