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Math Help - derivative using table

  1. #1
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    derivative using table

    I know im supposed to change it so that it looks like one on the table but im stuck on how i should change it. Thank you

    int(1/(7+y^2))
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  2. #2
    Senior Member topher0805's Avatar
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    Quote Originally Posted by gabet16941 View Post
    I know im supposed to change it so that it looks like one on the table but im stuck on how i should change it. Thank you

    int(1/(7+y^2))
    Do you mean this?

    \int \frac{1}{7+y^2}

    If so...this should be in your table:

    \int \frac{1}{a^2+x^2} = \frac {1}{a}\tan^{-1} {\left(\frac{x}{a}\right)} + C

    And just recognize that a is equal to the square root of 7.
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  3. #3
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    yes sorry
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