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Math Help - integration problem

  1. #1
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    integration problem

    (t+2)*sin(t^2+4t+7) dt

    i don't know where to start
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  2. #2
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    Quote Originally Posted by questionboy View Post
    (t+2)*sin(t^2+4t+7) dt

    i don't know where to start
     Let\  x=t^2+4t+7
     dx = 2(t+2) \ or \ (t+2)dt=\frac{dx}{2}
    now substitute and solve
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  3. #3
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    Got it thank you
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