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CBSE Class 10 Answered

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Asked by origami & craft | 26 Mar, 2019, 02:11: PM
answered-by-expert Expert Answer
if α, β and γ are roots of polynomial 3x3 -5x2 +7x -11
 
then α+β+γ = 5/3 and αβ +βγ +γα = 7/3
 
hence  α222 = (α+β+γ)2 - 2( αβ +βγ +γα ) = (5/3)2 - 2(7/3) = -17/9
Answered by Thiyagarajan K | 26 Mar, 2019, 02:22: PM
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