Question

qual o valor de x na P.G literal (x+1;x+4;x+10)?

Answer 1

$\frac{x+4}{x+1}= \frac{x+10}{x+4}$
(x + 4) · (x + 4) = (x + 1) · (x + 10)
x² + 4x + 4x + 16 = x² + 10x + x + 10
x² - x² + 4x + 4x - 10x - x = 10 - 16
3x = 6
x = 6/3
x = 2
P.G. (3, 6, 12)