ghje718 ghje718
  • 20-08-2017
  • Mathematics
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Or f(x, y), find all values of x and y such that fx(x, y) = 0 and fy(x, y) = 0 simultaneously. f(x, y) = 1 x + 1 y + xy

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LammettHash
LammettHash LammettHash
  • 21-08-2017
[tex]f(x,y)=x+y+xy[/tex]
[tex]f_x=1+y=0\implies y=-1[/tex]
[tex]f_y=1+x=0\implies x=-1[/tex]
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