- - are the roots of the equation x2-4 x-5 - Find -3-3

The correct option is C 4 α + β = 4 αβ = 5 (α+β)^3= α^3 + β^3 + 3αβ(α + β) ⇒ α^3 + β^3 = (α + β)^3 3αβ(α + β) = ( 4)^3 3 × (5 ...

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Relation between Roots and Coefficients for Quadratic

α, β are the ...

Question

α, β are the roots of the equation $x^{2}$ + 4x + 5. Find $α^{3}$ + $β^{3}$

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-4

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-6

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f (α, β) = \frac{β^{3}}{2} {cosec}^{2} (\frac{1}{2} {tan}^{- 1} \frac{β}{α}) + \frac{α^{3}}{2} {sec}^{2} (\frac{1}{2} {tan}^{- 1} \frac{α}{β})

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