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[Solved] Exponents

 
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June 14, 2021 6:01 pm
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If    a>1, b>0   and  a^b+a^{-b}=2\sqrt{2},  evaluate  a^b-a^{-b} .

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June 14, 2021 6:02 pm
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https://matematick.com/forums/exponents/exponents/#post-114

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