if 3x2 +2(a2 +1)x + a2 - 3a + 2 = 0 has roots of opposite sign then a lies in -
a) (- infinite , 0) b) ( - infinite , 1) c) ( 1,2) d) (4,9)
if 3x2 +2(a2 +1)x + a2 - 3a + 2 = 0 has roots of opposite sign then a lies in -
a) (- infinite , 0) b) ( - infinite , 1) c) ( 1,2) d) (4,9)