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Let [t] denote the greatest integer $$ \le $$ t. Then the equation in x, [x]2 + 2[x+2] - 7 = 0 has :

JEE · Math · previous-year question

  1. A.no integral solution.
  2. B.exactly two solutions.
  3. C.exactly four integral solutions.
  4. D.infinitely many solutions.

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