f(x) =x2-5x+6 , f(x)=0 হলে, x = কত?
A
-5,1
B
2,3
C
-2,3
D
1,-5
Correct Answer: 2,3
X2 - 5X + 6 = 0; X2 - 3X - 2X + 6 = 0 ; X(X - 3) - 2(X - 3) = 0; (X - 2)(X - 3) = 0 X = 2, 3