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28-05-2014
Mathematics

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What is the sum of 5√7 and 3√28

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28-05-2014

[tex]5 \sqrt{7}+3 \sqrt{28}=\\ \\ 5 \sqrt{7}+3*2 \sqrt{7}=\\ \\ 5 \sqrt{7}+6 \sqrt{7} =11 \sqrt{7} [/tex]

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