Find the values of a and b when x – 2 and x – 3 both are factors of the
expression x3 + ax2 + bx -12.
Answers
Answered by
0
Answer:
a=-7,b=16
Step-by-step explanation:
x3+ax2+bx-12
x=2,
8+4a+2b-12=0
4a+2b-4=0
2a+b-2=0
x=3
27+9a+3b-12=0
15+9a+3b=0
3a+b+5=0
2a+b-2=0
a=-7 b=16
Similar questions