Answer :

Given: 3a2x2 + 8abx + 4b2 = 0

Comparing with standard quadratic equation Ax2 + Bx + C = 0


A = 3a2, B = 8ab, C = 4b2


Discriminant D = B2 – 4AC


= (8ab)2 – 4.3a2. 4b2


= 64 a2b2 – 48a2b2 = 16a2b2 > 0


Hence the roots of equation are real.



= 4ab


Roots are given by





Hence the roots of equation are


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