Question

Calcular o valor de x, onde: x +(x/3)+(x/9)+.... = 6.

Answer 1

q = x/3 / x = x/3 • 1/x = x/3x = 1/3

(1-q) = 1 -1/3 = (2/3)

S = a1/(1-q)

6 = x / (2/3)

x = 6 • (2/3)

x = 12/3

x = 4 ✓