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Math Help - Help needed to solve some calculus problems

  1. #1
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    Help needed to solve some calculus problems

    Help needed to solve some calculus problems attached as a word document.
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  2. #2
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    e^(i*pi)'s Avatar
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    Re: Help needed to solve some calculus problems

    Quote Originally Posted by walapa View Post
    Help needed to solve some calculus problems attached as a word document.
    Using Latex:

    Quote Originally Posted by The document in the OP
    A man has 75\pi \text{ cm}^2 sheet of metal and wishes to make an open cylindrical container with it. Find the dimension of the tin for which the volume will be maximum.

    Find the stationary points of the function y = x^2(3+2x-3x^3) and investigate their nature.

    Find the gradient to the tangent to the curve x^2+2xy-2y^2+x =2 at the point (-4,1)

    Find the equation of the tangent and normal to the curve y = 3x^2-9x+4 at the point x=2

    Find the equation of the normal line to the curve y=4x^3-5x^2+2 at the point (-1,-7)
    See rule 8: Do not ask too many questions in one thread. Do not ask more than two questions in a post


    What have you tried?
    Last edited by e^(i*pi); July 8th 2011 at 03:26 AM. Reason: tags
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  3. #3
    MHF Contributor Siron's Avatar
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    Re: Help needed to solve some calculus problems

    For example:
    To calculate the stationary points: \frac{dy}{dx}=0.
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  4. #4
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    Re: Help needed to solve some calculus problems

    Are you told anything about the piece of sheet metal? I.e. What are the length and width of the piece?
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  5. #5
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    Re: Help needed to solve some calculus problems

    Quote Originally Posted by walapa View Post
    Help needed to solve some calculus problems attached as a word document.
    Please read all the rules. Please do not attach word files (it will NOT be opened), type out the questions like everyone else.

    Thread closed.
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