Tuesday

July 29, 2014

July 29, 2014

Posted by **Lucy** on Monday, February 27, 2012 at 11:14pm.

I really need help answering this one!! Please answer in detail! Thank you

This is what I have so far...

D=FxxFyy-(Fxy)^2=(-6y)(-6x)-(-6x-6y+36)^2

= 36xy-36(x+y-6)^2

Now set D=0 but I don't know how to solve it?? 36xy-36(x+y-6^2=0

Set Fx=0=-6x-6y+36 and set Fy=0=-6xy-3y^2+36y

I need help with the algebra, its been so long

**Related Questions**

cal3 - Find and classify all local minima, local maxima, and saddle points of ...

cal3 - Find and classify all local minima, local maxima, and saddle points of ...

Calculus Find max and min and saddle - Find and classify all local min and ...

math about to have a test over this please help! - Unfortunately that is the ...

calculus - find and classify all local minima, local maxima, and saddle points ...

college algebra - Let f(x)= x^5/120 - x^3/6 + x Find the local minima and maxima...

basic calculus - use the first and second derivatives to find the x-coordinates ...

Calculus - Find and classify the critical points off(x)=8x^7(3−x)^6 as ...

How to sketch graph of... - a differentiable function y =f(x) that has the given...

Calculus (pleas help!!!) - Let p(x)=x^2(a−x), where a is constant and a ...