Please help me with this question
Attachments:
Answers
Answered by
1
Answer:
a=8
b=-9
Step-by-step explanation:
x³+9x²+bx+6
f(2)=0
f(2)=(2)³+a(2)²+b(2)+6=0
=8+4a+2b+6=0
4a+2b=-14
f(3)=3³+9a+3b+6=3
3a+b=1
2a+b=-7
a=8
16+b=7
b=7-16
b=-9
Answered by
1
Option b is correct answer....☺️❣️
Similar questions