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ksaimouli

  • one year ago

integrate

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  1. ksaimouli
    • one year ago
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    \[\int\limits_{}^{}\frac{ x^2+3 }{ x-1}dx\]

  2. TuringTest
    • one year ago
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    use polynomial long division

  3. ksaimouli
    • one year ago
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    i got |dw:1356474256088:dw|

  4. ksaimouli
    • one year ago
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    @TuringTest

  5. TuringTest
    • one year ago
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    yes, so what is your new integrand?

  6. ksaimouli
    • one year ago
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    how to write? no idea

  7. TuringTest
    • one year ago
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    yeah, you didn't show you work too clearly|dw:1356474423392:dw|so you got x+1 with remainder 4

  8. ksaimouli
    • one year ago
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    |dw:1356474525330:dw|

  9. TuringTest
    • one year ago
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    that's right, now integrate

  10. ksaimouli
    • one year ago
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    from here i can catch up last question when to

  11. ksaimouli
    • one year ago
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    use long division

  12. ksaimouli
    • one year ago
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    i mean by just seeing the question how do u know to do long division

  13. mathstudent55
    • one year ago
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    When you need to integrate a rational expression, and the polynomial in the numerator has a higher degree than the polynomial in the denominator, use polynomial long division.

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