Find the greatest constant $M,$ so that
\[\frac{a^2 + b^2}{c^2} > M\]whenever $a,$ $b,$ and $c$ are the sides of a triangle.
Question:
Find the greatest constant $M,$ so that
\[\frac{a^2 + b^2}{c^2} > M\]whenever $a,$ $b,$ and $c$ are the sides of a triangle.
Answer:
Let's think step by step.

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Find the greatest constant $M,$ so that
\[\frac{a^2 + b^2}{c^2} > M\]whenever $a,$ $b,$ and $c$ are the sides of a triangle.
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