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Question: Answered & Verified by Expert
If α and β are the roots of the equation x2+αx+β=0 such that αβ, then the number of integral values of x satisfying x-β-α<1 is
MathematicsQuadratic EquationJEE Main
Options:
  • A 0
  • B 1
  • C 2
  • D more than 2
Solution:
1761 Upvotes Verified Answer
The correct answer is: 2
α,β are roots of x2+αx+β=0
α+β=-α and αβ=βα=1,β=-2
Now, x+2-1<1
-1<x+2-1<1
0<x+2<2
-2<x+2<2, x+20
-4<x<0, x-2
x-4,-2-2,0
So, there are two integral values of x, i.e. -3,-1

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