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08-09-2007

Classic problem:

The coefficients of $x^5$ and $x^{15}$ in the expansion of $(1+x)^n$ are equal. Find n.

08-09-2007	#29
Temperal Guest Posts: n/a	Classic problem: The coefficients of $x^5$ and $x^{15}$ in the expansion of $(1+x)^n$ are equal. Find n.