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29 September, 22:25

State whether the number (√2-√3) (√2+√3) is a rational or justify

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  1. 29 September, 22:49
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    yes it is rational

    Explanation:

    the a^2-b^2 = (a+b) (a-b)

    so the exact number of the equation above is 2-3 = - 1

    -1 is a rational because it can be written in form of fractions, such as - 1/1,-2/2,-3/3,-4/4
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