If α, β are roots of the equation 2x^2 - 4x + 5 = 0, then α^2β + αβ^2 = ____?
- -1
- 2
- 5
- None of these
Explanation
Using Vieta's formulas, we know that α + β = 4/2 = 2 and αβ = 5/2.
Now, α^2β + αβ^2 = αβ(α + β) = (5/2)(2) = 5.
Related MCQs
- (4,6)
- (2,4)
- (3,6)
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- x = 1,6
- x = 2,3
- x = -2,-3
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 5
- 6
- 7
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
