Grade 12th pass10 grade maths
If α, β and γ are the roots of the equation x3+px2+qx+r=0, then the coefficient of x in the cubic equation whose roots are α(β+γ),β(γ+α) and γ(α+β) is?
(a) 2q
(b) q2+pr
(c) p2−qr
(d) r(pq-r)
If α, β and γ are the roots of the equation x3+px2+qx+r=0, then the coefficient of x in the cubic equation whose roots are α(β+γ),β(γ+α) and γ(α+β) is?
(a) 2q
(b) q2+pr
(c) p2−qr
(d) r(pq-r)
