if p(X)=x³+5x²+4,then find the value of aBy
Answers
Answered by
1
Step-by-step explanation:
Answer
x
3
++4x
2
−5x−2
The expression is in the form ax
3
+bx
2
+cx+d,then
a=1,b=4,c=−5,d=−2
∴α+β+γ=
a
−b
=
1
−4
=−4
αβ+βγ+γα=
a
c
=
1
−5
=−5
αβγ=
a
−d
=
1
−(−2)
=2
Similar questions