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Formation of a Quadratic Equation From It's Roots

If α, β are z...

Question

If α, β are zeroes of the polynomial f(x) = x² + 5x + 8, then value of (α + β) is

A

8

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B

-5

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C

-8

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D

5

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Solution

The correct option is B
-5

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Similar questions

α a n d β

are the zeroes of the quadratic polynomial

f (x) = x^{2} - 5 x + 4,

then the value of

\frac{1}{α} + \frac{1}{β} - 2 α β

if α and β are the zeroes of x²+5x+8 then find the value of α + β

α

β

are zeroes of the quadratic polynomial

f (x) = 3 x^{2} - 5 x - 2

, then find the values of

\frac{α^{2}}{β} + \frac{β^{2}}{α}

α, β

are zeroes of polynomial

f (x) = x^{2} + p x + q

then polynomial having

\frac{1}{α}

\frac{1}{β}

as its zeroes is :

α, β

are the zeroes of

f (x) = x^{2} - 5 x + b

α - β = 1

b

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Formation of a Quadratic Equation From It's Roots

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