Flag Algebra> qd-eqn...
question mark

If the roots of the eqn b(x^2)+cx+a=0 be imaginary, then for all real values of x,the expression 3(b^2)x^2+6bcx+2c^2 is: (a) greater than 4ab (b) less than 4ab (c) greater than -4ab (d) less than -4ab

SKS , 11 Years ago
Grade 12th pass
anser 1 Answers
sudhir pal

Last Activity: 11 Years ago

in second xpression cofficient of leading term is always positive so this xpression would have minimum value

ans : greater than -4ab
I'm attaching answer of this question
Thanks & Regards
Sudhir,
askIITians Faculty
Qualification.
College graduated
153-2036_Photo1711.jpg

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments