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

**jacks** · January 13th 2012, 11:51 PM

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

**Prove It** · January 14th 2012, 01:11 AM

Originally Posted by jacks

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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