Find all the values of 'a', so that 6 lies between the roots of the equation x^2 + 2(a-3)x + 9 =0
A: a< −3/4
B: a> 3/4
C: a<0 or a>6
D: a>6
E: a < −1/4
A: a< −3/4
B: a> 3/4
C: a<0 or a>6
D: a>6
E: a < −1/4












