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Question
If α & β are roots of the equation x2+6x+λ=0 & 3α+2β=−20 find λ..
If α & β are roots of the equation x2+6x+λ=0 & 3α+2β=−20 find λ..
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Solution
The correct option is C −16
3α+2β=−20....(1)
and, α+β=−6....(2)
on solving (1) and (2)
α=−8,β=+2
αβ=λ
λ=−16
3α+2β=−20....(1)
and, α+β=−6....(2)
on solving (1) and (2)
α=−8,β=+2
αβ=λ
λ=−16
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