JEE Advanced 2020 Concept Recapitulation Test 4 Paper 1

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Question : 39 of 54

Marks: +1, -0

Let α,β,γ are roots of x3+px+r=0 and ‌

α

2

,β,2γ are the roots of equation x3+qx+r=0, then

(‌
q
7
)3+(‌
r
6
)2=0
p=2q
(pq)=5r‌
2
3
None of these

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