Question

Calcular: S = 1 + 3 + 5 + ... + 29​

Answer 1

Respuesta:

S = 225

Explicación paso a paso:

1 + 3 +5 + ... + 29 =

Sumas Notables:

1 + 3 + 5 + 7 + ... + (2n-1) = n²

...

2n - 1 = 29

2n = 30

n = 15

...

S= 15²= 225