Jika x1 dan x2 adalah akar persamaan: 9*x - 10/3.3*x + 1 = 0 maka nilai x1 + x2

9^x - (10/3) . 3^x + 1 = 0
(3^x)² - (10/3) . 3^x + 1 = /

3^x1 × 3^x2 = c/a = 1/1
3^(x1 + x2) = 1
x1 + x2 = 0 ✔