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Locate and classify all the critical points of the function. (If an answer does not exist, enter DNE.) f(x, y) = 3x2 + 2y2 + 6 (x:v)=( ) X [0110 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 15.3.013. Locate and classify all the critical points of the function. (If an answer does not exist, enter DNE.) (X: y) =( Submit Answer [l1 0 Points] DETAILS WANEFMAC7 1 5.3.017. Locate and classify all the critical points of the function. (If an answer does not exist, enter DNE.) f[x,y)=x2+2xy+2y26x+6y (x.y)=( )