![SOLVED: EXAMPLE 3 Find the local maximum and minimum values and saddle points of f(x, Y) = x4 + Y4 - 4xy + 1. SOLUTION We first locate the critical points 4x3 SOLVED: EXAMPLE 3 Find the local maximum and minimum values and saddle points of f(x, Y) = x4 + Y4 - 4xy + 1. SOLUTION We first locate the critical points 4x3](https://cdn.numerade.com/ask_images/a3510f47fadc417ba34fd34d4c6d91f8.jpg)
SOLVED: EXAMPLE 3 Find the local maximum and minimum values and saddle points of f(x, Y) = x4 + Y4 - 4xy + 1. SOLUTION We first locate the critical points 4x3
![Draw the graphs of the pair of linear equations x - y + 2 = 0 and 4x - y - 4 = 0. Calculate the area of the triangle formed by the lines so drawn and the x-axis Draw the graphs of the pair of linear equations x - y + 2 = 0 and 4x - y - 4 = 0. Calculate the area of the triangle formed by the lines so drawn and the x-axis](https://d138zd1ktt9iqe.cloudfront.net/media/seo_landing_files/draw-the-graphs-of-the-pair-of-linear-equations-x-y-2-0-and-4x-y-4-0-1642652225.png)
Draw the graphs of the pair of linear equations x - y + 2 = 0 and 4x - y - 4 = 0. Calculate the area of the triangle formed by the lines so drawn and the x-axis
![calculus - why $x^{4} + y^{4} - 4 x y + 1$ graph differently in my textbook and mathematica? - Mathematics Stack Exchange calculus - why $x^{4} + y^{4} - 4 x y + 1$ graph differently in my textbook and mathematica? - Mathematics Stack Exchange](https://i.stack.imgur.com/85Sf3.png)
calculus - why $x^{4} + y^{4} - 4 x y + 1$ graph differently in my textbook and mathematica? - Mathematics Stack Exchange
![How do you solve the system by graphing given x + y = 4 and –x + y = 2? Thanks in advance for any help at all on this one!? | Socratic How do you solve the system by graphing given x + y = 4 and –x + y = 2? Thanks in advance for any help at all on this one!? | Socratic](https://useruploads.socratic.org/P8EnyqCVQMe6Iqp73AIV_graph2.jpg)
How do you solve the system by graphing given x + y = 4 and –x + y = 2? Thanks in advance for any help at all on this one!? | Socratic
![x+y=-6 y-4x=4 If the ordered pair (x, y) satisfies the system of equations shown above, what is the value of xy? x+y=-6 y-4x=4 If the ordered pair (x, y) satisfies the system of equations shown above, what is the value of xy?](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/147177188_web.png)
x+y=-6 y-4x=4 If the ordered pair (x, y) satisfies the system of equations shown above, what is the value of xy?
![Q220 | Factorise (x+y)^4-(x-y)^4 | (x+y)4 - (x-y)4 | x + y whole to the power 4 | x - y whole to the - YouTube Q220 | Factorise (x+y)^4-(x-y)^4 | (x+y)4 - (x-y)4 | x + y whole to the power 4 | x - y whole to the - YouTube](https://i.ytimg.com/vi/xEC-PcvaHMg/maxresdefault.jpg)