If a, B and y are zeroes of the polynomial or + 3x - 5x + 1, then find the v
Answers
Answered by
1
Answer:
Your Answer
Step-by-step explanation:
Correct option is
A
5
6x
3
+3x
2
−5x+1=0
Here,
a=6
b=3
c=−5
d=1
∵α,β,γ are zeroes of given polynomial.
∴α+β+γ=
a
−b
=
6
−3
=
2
−1
α.β.γ=
a
−d
=
6
−1
αβ+βγ+γα=
a
c
=
6
−5
∴α
−1
+β
−1
+γ
−1
=
α
1
+
β
1
+
γ
1
⇒=
αβγ
βγ+αγ+βγ
⇒=
(
a
−d
)
(
a
c
)
⇒=
(
6
−1
)
(
6
−5
)
⇒=5
∴α
−1
+β
−1
+γ
−1
=5
Similar questions