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Find the derivative

1. y = e^xSin²x
2. y = (x³+1)e^-4
3. y = x²e^Sinx

  • Calculus -

    if y= uv

    y'= u v' + v u'

    int the first, u=e^x v=sin^2x
    du= e^x dx dv=2sinxcosx dx

    y= e^x *2sinx cosx + e^x sin^2x

    I will be happy to critique your thinking on the others.

  • Calculus -

    Nevermind, please don't answer this question. I have made a mistake. Thanks.

  • Calculus -

    Oh but thank you.

  • Calculus -

    Ok, I wrote number 2 wrong. Number 1 and number 3 equations are correct but number 2 is actually y = (x²+1)e^-4

    1) y = e^x(Sin²x)
    2) y = (x²+1)e^-4
    3) y = x²(e^Sinx)

    please help me on all 3 questions. thank you.

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