The value of n/p is 8.
What is quadratic equation?
A quadratic equation in algebra is any equation that can be written in standard form as where x is an unknown and where a, b, and c denote known numbers, where a ≠ 0.
Let, for x^2 + mx + n = 0
⇒ x = 2α or 2β
From the given condition,
for x^2 + mx + n = 0 ⇒ x = α or x = β
Then,
2(α + β) = -m ..(1)
4αβ = n ..(2)
and α + β = -p ..(3)
αβ = m ..(4)
From equation (1) and (3),
-m/2 = -p
⇒ p = m/2
and from equation (2) and (4),
n/4 = m
⇒ n = 4m
Therefore,
n/p = 4m / (m/2) = 4 x 2 = 8
Hence, n/p = 8.
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