class 11 Math Algebra Quadratic Equations

If the roots of the equation $bx_{2}+cx+a=0$be imaginary, then for all real values of x, the expression $3b_{2}x_{2}+6bcx+2c_{2}$is

(a)

greater than 4ab

(b)

less than 4ab

(c)

greater than $4ab$

(d)

less than $4ab$

Similar topics

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

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