Question

s1 =10 11 + 11 × 12 + 12 x 13 + ... + 20 x 21
S2 = 1x 2 + 2 x 3 + 3 x 4 + ... + 20 x 21
hallar S1 - S2​

Answer 1

Respuesta:

Dados: S1 = 10 x 11 + 11 x 12 + 12 x 13 + ... + 20 x 21 S2 = 1 x 2 + 2 x 3 + 3 x 4 + ... + 20 x 21 Hallar: S1 + S2