\[\boxed{\mathbf{804}\mathbf{.}}\]
\[y = 3(x - 2)^{2} + 1:\]
\[y = 3\left( x^{2} - 4x + 4 \right) + 1 =\]
\[= 3x^{2} - 12x + 12 + 1 =\]
\[= 3x^{2} - 12x + 13\]
\[y^{'} = 3 \bullet \left( x^{2} \right)^{'} - (12x - 13)^{'} =\]
\[= 3 \bullet 2x - 12 = 6x - 12\]
\[y = 3x^{2} - 12x + 13\]
\[y^{'} = 6x - 12\]