math help!

(2-√2)/(3+√2)

can you plz tell me how to solve it? plz hurry up

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asked by Riana
  1. for god sake plz help me.

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    posted by Riana
  2. i think the answer may be this
    (2-√2)/(3+√2)

    (2-√2)(3-√2)/(3+√2)(3-√2)
    6-2√2-3√2+2/3*3-√2*√2
    8-5√2/9-2
    8-5√2/7
    2√2-5√2/7
    =-3√2/7

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  3. (2-√2)/(3+√2)
    =(2-√2)/(3+√2) * (3-√2)/(3-√2)
    = (6 -2√2 - 3√2 + 2)/(9-2)
    = (8 - 5√2)/7

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    posted by Reiny

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