Sum of zeros of a quadratic equation
P(x)=ax²+bx+c is equal to.
Answers
Answered by
0
Answer:
-b /c. will be the sum where
Answered by
3
Answer:
ax
2
+bx+c=0
α+β=
α
2
1
+
β
2
1
=
a
−b
Let, P=α, Q=β
⟹
a
−b
=
P
2
Q
2
(P+Q)
2
−2PQ
⟹
a
−b
=
c
2
/a
2
(
a
2
b
2
−2
a
c
)
⟹2ca
2
=b
2
a+bc
2
⟹2=
ac
b
2
+bca
2
Step-by-step explanation:
hope it helps u.
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