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  • 2021 June(D06) Math Question 20

    Exponents, Radicals, & Scientific Notation

    - Radical Expressions

    Choice G
    $$\sqrt{2}+\sqrt{8}+\sqrt{18} \\$$ $$=\sqrt{2}+\sqrt{4\times2}+\sqrt{9\times2} \\$$ $$=\sqrt{2}+\sqrt{4}\sqrt{2}+\sqrt{9}\sqrt{2}=\sqrt{2}+2\sqrt{2}+3\sqrt{2} \\$$ $$=6\sqrt{2}$$

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