If one root of the equation ax2 + bx + c = 0 is three times of the other, then k is equal to …………………… (1)
A. 3
B. lg
C. 16
D. 3
Answer:B
If one root of the equation ax2 + bx + c = 0 is three times of the other, then k is equal to …………………… (1)
A. 3 B. lg C. 16 D. 3