Revision history of "2007 iTest Problems/Problem 47"

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  • (cur | prev) 23:02, 7 October 2014Timneh (talk | contribs). . (619 bytes) (+619). . (Created page with "== Problem == Let <math>\{X_n\}</math> and <math>\{Y_n\}</math> be sequences defined as follows: <math>X_0=Y_0=X_1=Y_1=1</math>, <cmath>\begin{align*}X_{n+1}&=X_n+2X_{n-1}\qqu...")
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