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Math Help - Integrals, is this right?

  1. #1
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    Oct 2009
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    Integrals, is this right?

    I'm using "S" for integration

    Is my answer right?
    Sx^5dx= x^6/6 + C

    S(6e^3x-8e^-2x)dx = 6e^3x-8e^-2x + C

    Are those two right? if not, help please?

    Thank you!!!
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  2. #2
    Super Member
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    Quote Originally Posted by domain07 View Post
    I'm using "S" for integration

    Is my answer right?
    Sx^5dx= x^6/6 + C

    S(6e^3x-8e^-2x)dx = 6e^3x-8e^-2x + C

    Are those two right? if not, help please?

    Thank you!!!
    The first one is correct, the second one is not. Differentiate it (don't forget to apply the chain rule) to see that your solution is incorrect, and find the correct integral using the same reasoning (it should be obvious once you differentiate it).
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