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ieatpi

  • 2 years ago

Integrate ((x+2)^2) / x dx

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  1. Mimi_x3
    • 2 years ago
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    \[\int \frac{(x+2)^2}{x}dx\]

  2. Mimi_x3
    • 2 years ago
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    maybe u-sub

  3. hartnn
    • 2 years ago
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    Expand (x+2)^2 (a+b)^2 = a^2+2ab+b^2

  4. Mimi_x3
    • 2 years ago
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    yeah; and break it into fractions, easier!

  5. hartnn
    • 2 years ago
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    @ieatpi can u ?

  6. ieatpi
    • 2 years ago
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    I don't think we've learned that yet

  7. Mimi_x3
    • 2 years ago
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    what have you learnt

  8. hartnn
    • 2 years ago
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    u haven't learnt (a+b)^2 ??

  9. lgbasallote
    • 2 years ago
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    you're too advanced @hartnn

  10. hartnn
    • 2 years ago
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    well for those who started calculus , (a+b)^2 isn't advanced.

  11. ieatpi
    • 2 years ago
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    ok so \[\int\limits_{}^{}(x^{2}+4x + 4)/ x\], now what?

  12. lgbasallote
    • 2 years ago
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    you don't know online schools then @hartnn

  13. Mimi_x3
    • 2 years ago
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    lol an advanced method is to use u-sub and long division; for this question igba :P

  14. Mimi_x3
    • 2 years ago
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    then break it into fractions!

  15. Mimi_x3
    • 2 years ago
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    \[\int\limits\frac{x^{2}+4x+4}{x} => \int\limits\frac{x^{2}}{x} +\frac{4x}{x} +\frac{4}{x} \]

  16. ieatpi
    • 2 years ago
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    omg, I'm an idiot

  17. ieatpi
    • 2 years ago
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    lol thanks guys

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