f(x) = x2 - 5x + 6 এবং f(x) = 0 হলে x = কত?
A
2, 3
B
-5, 1
C
-2, 3
D
1, -5
Correct Answer: 2, 3
f(x) = x² - 5x + 6 এখন, f(x) = 0 ∴ x² - 5x + 6 = 0 = > x² - 3x - 2x + 6 = 0 = > x(x - 3) - 2 (x - 3) = 0 = > (x - 3) (x - 2) = 0 ∴ x = 2, 3