Question

2) Resolva a equação: x + x/3 + x/9+....=3/2​

Answer 1

x/3 +x/9 +... = 3/2 -x

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

3/2 -x = (x/3)/(2/3)

3/2 -x = x/2

3 -2x = x

3 = 3x

1 = x