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the values of a for which one root ...

the values of a for which one root of the equation `x^2 -(a+1) x +a^2 +a -8=0` exceeds 2 and the other is less than 2 are given by

A

`3 lt a lt 10`

B

` a gt 10`

C

`-2 lt a lt 3`

D

`a le -2`

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The correct Answer is:
C
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