Mathematics
Algebra
Easy

Question

The value of a for which one root of a for which of the equation x squared minus left parenthesis a plus 1 right parenthesis x plus a squared plus a minus 8 equals 0 exceeds 2 and other is less then 2, are given by

  1. 3<a<10
  2. a greater or equal than 10
  3. -2<a<3
  4. a less or equal than negative 2

The correct answer is: -2<a<3


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