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lilg132

  • 3 years ago

integrate

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  1. lilg132
    • 3 years ago
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    \[\int\limits_{}^{}8.1x ^{2} + 8.4x - 7dx\]

  2. anonymous
    • 3 years ago
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    \[\int x^ndx=\frac{x^{n+1}}{n+1}\]

  3. lilg132
    • 3 years ago
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    \[{8.1\over 3} x ^{3} + {8.4x ^{2} \over 2} - 7x\]

  4. lilg132
    • 3 years ago
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    ??

  5. Australopithecus
    • 3 years ago
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    looks right to me although remember to add +c you are dealing with an indefinite integral

  6. lilg132
    • 3 years ago
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    yes i forgot the plus c in the end but are you sure that is correct ? :D

  7. Australopithecus
    • 3 years ago
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    100%

  8. lilg132
    • 3 years ago
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    thanks mate

  9. Australopithecus
    • 3 years ago
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    https://www.wolframalpha.com/input/?i=integrate+8.1x2%2B8.4x%E2%88%927dx

  10. Australopithecus
    • 3 years ago
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    you can also simplify it but you can usually use wolfram alpha to check your answers although be careful their answers wont always match yours when you are integrating as it might use a different method than you

  11. lilg132
    • 3 years ago
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    cheers for that appreciate it

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