Find the minimum value of
\[x^2 + xy + y^2\]over all real numbers $x$ and $y.$
Question:
Find the minimum value of
\[x^2 + xy + y^2\]over all real numbers $x$ and $y.$
Answer:
Let's think step by step.

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Find the minimum value of
\[x^2 + xy + y^2\]over all real numbers $x$ and $y.$
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