If the quadratic equation 3x^2 + 2 (a...

If the quadratic equation ` 3x^2 + 2 (a^2+1)x +a^2 - 3a +2=0` possesses roots of opposite sign, then a lies in the interval :

A

`(-oo,-1)`

B

`(-1,1)`

C

`(1,2)`

D

`(2,3)`

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The correct Answer is:

C

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