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9 December, 22:24

Find the sum of / sqrt{4}√ 4 and 3/sqrt{9}3√ 9 in simplest form. also, determine whether the result is rational or irrational and explain your answer.

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  1. 9 December, 22:50
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    √ 4 + 3√ 9 = 2+3*3 = 11.

    This is a rational number, since the answer can be express as a fraction (e. g., 11/1).

    This does not hold for square roots in general. For example √3 is irrational.
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