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Quadratic Equation and Inequalities question

2014 · Shift 0 · Q41
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  2. /JEE Main
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  4. /Quadratic Equation and Inequalities
  5. /2014 · Shift 0 · Q41

Quadratic Equation and Inequalities question

2014 · Shift 0 · Q41

JEE MainMathematicsQuadratic Equation and InequalitiesMCQ+4 / −1
If a∈Ra \in Ra∈R and the equation −3(x−[x])2+2(x−[x])+a2=0- 3{\left( {x - \left[ x \right]} \right)^2} + 2\left( {x - \left[ x \right]} \right) + {a^2} = 0−3(x−[x])2+2(x−[x])+a2=0 (where [xxx] denotes the greater integer ≤x\le x≤x) has no integral solution, then all possible values of a lie in the interval :
  1. A
    (−2,−1)\left( { - 2, - 1} \right)(−2,−1)
  2. B
    (−∞,−2)∪(2,∞)\left( { - \infty , - 2} \right) \cup \left( {2,\infty } \right)(−∞,−2)∪(2,∞)
  3. C
    (−1,0)∪(0,1)\left( { - 1,0} \right) \cup \left( {0,1} \right)(−1,0)∪(0,1)
  4. D
    (1,2)\left( {1,2} \right)(1,2)
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