Question

f(x,y)=-e^(3x^2+6y^2)+e^(5y^2+1) identify the shape of the level curve which contains (-sqrt(3)/3,0) take as the parallelogram bounded...

f(x,y)=-e^(3x^2+6y^2)+e^(5y^2+1) identify the shape of the level curve which contains (-sqrt(3)/3,0)

take as the parallelogram bounded by
x-y=0, x-y=3, x+2y=0, x+2y=2
(9x+3y)dxdy

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