If \alpha, \beta, \gamma are the roots of the equation x^3+4 x^2-9 x-36=0 such that \alpha+\beta=0, then \alpha^2+2 \beta^2+3 \gamma^2=

TS EAMCET 19-July-2022 Shift 2 Solved Paper

Section: Mathematics

Question : 13 of 160

Marks: +1, -0

If α,β,γ are the roots of the equation x3+4x2−9x−36=0 such that α+β=0, then α2+2β2+3γ2=

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