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A parity problem
11-24-2010, 04:24 PM
Post: #1
A parity problem
If $ a_0,a_1,\dots,a_{50}$ are the coefficients of the polynomial
\[ \left(1 + x + x^2\right)^{25}\]
show that $ a_0+a_2+a_4+\cdots+a_{50}$ is even.
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A parity problem - elim - 11-24-2010 04:24 PM
RE: A parity problem - elim - 06-03-2016, 08:54 AM

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