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Math Help - max. and min. in f(x,y)

  1. #1
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    max. and min. in f(x,y)

    Find Max. and Min. value of \sqrt{(x-4)^2+(y-3)^2}+\sqrt{x^2+y^2}

    I have Got Min Using Geometry whic is =5

    But How can I find Max. value

    is it =\infty

    help required

    Thanks
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  2. #2
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    Re: max. and min. in f(x,y)

    Quote Originally Posted by jacks View Post
    Find Max. and Min. value of \sqrt{(x-4)^2+(y-3)^2}+\sqrt{x^2+y^2}

    I have Got Min Using Geometry whic is =5

    But How can I find Max. value

    is it =\infty

    help required

    Thanks
    Seeing as you've posted in Calculus, it might be a good idea to use some Calculus...
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