If -and- are the zeros of x2-5x-8 then the value of - is a 5 b -5 c 8 d -8

Since α and β are zeroes of the given polynomial, we have Sum of roots (α+β) = b/a= 5/1 = 5 option (b) 5 is correct ...

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Relationship between Zeroes and Coefficients of a Polynomial

If α and β ar...

Question

If $α a n d β$ are the zeros of $x^{2} + 5 x + 8$ then the value of $(α + β)$ is

(a) 5 (b) -5 (c) 8 (d) -8

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Solution

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Similar questions

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

α, β

x^{2} + 5 x + 5

α^{- 1} + β^{- 1}

α

β

x^{2} + 5 x - k

α - β = 1

k

α

β

x^{2} - a x + b

α^{2} (\frac{α^{2}}{β} - β) + β^{2} (\frac{β^{2}}{α} - α)

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