Calcular : S = 1 + 4 + 9 + ?
Calcular : S = 1 + 4 + 9 + . + 400 a) 2660 b)2690 c)2970 d)2870 e)2390.
5Florenciiarome
Calcular : S = 1 + 4 + 9 + . + 400 a) 2660 b)2690 c)2970 d)2870 e)2390.
En resumen
S = 1 + 4 + 9 + . + 400s = 1² + 2² + 3² + . + 20²s = 20(21)(41) / 6s = 2870.
Nathgonzalez10oxejaw
S = 1 + 4 + 9 + .
+ 400s = 1² + 2² + 3² + .
+ 20²s = 20(21)(41) / 6s = 2870.