Dovezi matematice in imagini
Sase dovezi... vizibile
1/4 + 1/16 + 1/64 + 1/256 + ... = 1/3
![1/3](http://i279.photobucket.com/albums/kk125/class_ic/SumOfFractionsInversePowersof4.png)
1/3 + 1/9 + 1/27 + 1/81 + ... = 1/2
![1/2](http://i279.photobucket.com/albums/kk125/class_ic/SumOfFractionsInversePowersof3withd.png)
1 + 2 + 3 + ... + n = n * (n+1) / 2
![gauss](http://i279.photobucket.com/albums/kk125/class_ic/Sumoffirstnintegers.png)
1 + 3 + 5 + ... + (2n - 1) = n2
![impare](http://i279.photobucket.com/albums/kk125/class_ic/SumOfOddNumbers.png)
Teorema lui Pitagora (
a2 + b2 = c2)
![Photobucket](http://i279.photobucket.com/albums/kk125/class_ic/Pythagoras.png)
Sursa:
Mate.Info.Ro