CMR $ u_{k} \leq k (n-k)$
Edited by maths_lovely, 27-10-2010 - 20:04.
$u_{k} \leq k (n-k)$
Started By maths_lovely, 27-10-2010 - 20:03
#1
Posted 27-10-2010 - 20:03
maths_lovely
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Cho dãy số $ u_{0};....; u_{n};....$ sao cho $ u_{0}= u_{n} =0$ và $ \dfrac{1}{2} | u_{k-1} -2u_{k}+ u_{k+1} | \leq 1 $
CMR $ u_{k} \leq k (n-k)$
CMR $ u_{k} \leq k (n-k)$
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