If the roots of the equation b x^2+c x+a=0 imaginary, then for all real values of x, the expression 3 b^2 x^2+6 b c x+2 c^2 is :
[AIEEE 2009]

Question

Examsnet · Accepted Answer

Correct Answer is : greater than −4ab

AIEEE 2009 Solved Paper