Let $f ( x , y ) = a x ^ { 2 } - 2 a x y + 2 y ^ { 2 } - b x$ , where a, b are any numbers with a $\neq$ 2.
Find the critical point of f.(Express your answer in terms of the constants a and b.)

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The Answer of Let $f ( x , y ) = a x ^ { 2 } - 2 a x y + 2 y ^ { 2 } - b x$ , where a, b are any numbers with a $\neq$ 2.
Find the critical point of f.(Express your answer in terms of the constants a and b.)

Let f(x,y)=ax2−2axy+2y2−bxf ( x , y ) = a x ^ { 2 } - 2 a x y + 2 y ^ { 2 } - b xf(x,y)=ax2−2axy+2y2−bx

Let $f ( x , y ) = a x ^ { 2 } - 2 a x y + 2 y ^ { 2 } - b x$