Solving a Quadratic Equation by Factorization Method
The number of...
Question
The number of integral value(s) of x satisfying the inequality √x−1x−2≤0 is
A
0.0
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B
1
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C
2
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D
3
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Solution
The correct option is B 1 √x−1x−2≤0x−1≥0,for√x−1tobedefined⇒x≥1Assquarerootofanumberisalwaysnon−negative.So,for√x−1x−2tobelessthan0ornegative,x−2<0⇒x<2∴1≤x<2Thenumberofintegralvaluesofxsatisfyingthegiveninequalityis1.