Question

The value of 'a' for which the equation $3 x^{2} +2( a^{2} +1)x + ( a^{2}-3a+2) = 0$ has roots of opposite sign, lies in
1) (1, 2)
2) (-∞, 1)
3) (2, ∞)
4) (-∞, ∞)

Answer 1

QUADRATICS RESOLUTION