Diketahui 2x, (x + 3), (5x + 3) membentuk barisan geometri. Nilai x = ....

[tex] \frac{5x + 3}{x + 3} = \frac{x + 3}{2x} \\ 10 {x}^{2} + 6x = {x}^{2} + 6x + 9 \\ 10 {x}^{2} = {x}^{2} + 9 \\ 9 {x}^{2} = 9 \\ {x}^{2} = 1 \\ x = 1[/tex]

Sorry klo salah
Klo dimasukkin jd 2,4,8