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Q.

If 1, α,β are the roots of x3 – 2x2 –5x + 6 = 0, then

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a

α=-3

b

β=-2

c

α=3

d

β=2

answer is A, D.

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Detailed Solution

1+α+β=2,;1(α)β=6;α+β=1,αβ=6α=3,β=2

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