If equation x sup2 3x 1 has two roots a amp b then find the value of a sup2 3a sup2 b 3ab sup2 b sup...........

Quantitative Aptitude (CDS) Quadratic Equations

If equation x²=3x-1 has two roots a & b then find the value of a²+3a²b+3ab²+b²

SOR =3
POR = 1
a^2+3a^2 b+3ab^2+b^2=[ (a+b )^2- 2b]+ 3ab (a+b)
=(3^2-2)+ 3.1 .(3)= 16

Submit Error