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Undetermined Coefficients (Part 1)

Algebra Level 4

${ 1 }^{ 2 }+{ 3 }^{ 2 }+{ 5 }^{ 2 }+\cdots +{ 99 }^{ 2 } = \, ?$

You may want to read the wiki Method of Undetermined Coefficients.

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by Arulx Z

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