Search found 5 matches

by alex
Tue Nov 11, 2008 12:03 pm
Forum: Chat de voie
Topic: Concursul «Gheorghe Vranceanu» Bacau
Replies: 1
Views: 574

nu se mai organizeaza anul acesta...:|
by alex
Sun Nov 09, 2008 4:56 pm
Forum: Chat de voie
Topic: Ceva amuzant...
Replies: 7
Views: 1299

matematica in versuri :D

by alex
Sun Nov 09, 2008 3:58 pm
Forum: Chat de voie
Topic: Poti face diferenta intre un informatician si un criminal?
Replies: 24
Views: 4595

9/10 :P
by alex
Mon Apr 07, 2008 6:58 pm
Forum: Analiza matematica
Topic: Sume Riemann cu functii periodice
Replies: 2
Views: 1415

Se demostreaza (tinand seama ca F(x+t)-F(x)=constant=F(T)-F(0) , alegand x=0 ) ca: F admite scrierea F(x)=G(x)+\lambda{x} cu G functie periodica de perioada T \Leftrightarrow \lambda= \frac{F(T)-F(0)}{T}=\frac{1}{T}\int^T_0%20f(x)dx . Iar la punctul b), inlocuind F(k) cu forma de la punctul a)...vom...
by alex
Fri Apr 04, 2008 11:48 pm
Forum: Analiza matematica
Topic: Traian Lalescu 2008, problema 3
Replies: 4
Views: 1150

Se poate folosi inegalitatea lui Cebasev...apoi teorema de medie si faptul ca functia e crescatoare...

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