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    (Original post by zekas)
    solve
    What?

    Have a go at it yourself first.

    If you only want the answer then just go to Wolfram Alpha.
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    Do you have a pic of the question. Ngl title is hella confusing for me
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    (Original post by RDKGames)
    What?

    Have a go at it yourself first.

    If you only want the answer then just go to Wolfram Alpha.
    Wolfram Alpha no give me right answer
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    (Original post by Agent007)
    Do you have a pic of the question. Ngl title is hella confusing for me
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    (cosh(x)(sech(x)-xtanh(x)sech(x))) / x
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    (Original post by zekas)
    Wolfram Alpha no give me right answer
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