Find the minimum value of
\[2x^2 + 2xy + y^2 - 2x + 2y + 4\]over all real numbers $x$ and $y.$
Question:
Find the minimum value of
\[2x^2 + 2xy + y^2 - 2x + 2y + 4\]over all real numbers $x$ and $y.$
Answer:
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-1
Find the minimum value of
\[2x^2 + 2xy + y^2 - 2x + 2y + 4\]over all real numbers $x$ and $y.$
train