If α, β, γ are zeroes of the polynomial p (such that α + β + γ = 2, αβ + βγ + γα = 5, αβγ = – 7, then p(is:
A. x3 – 2x2 + 5x – 7
B. x3 + 2x2 – 5x + 7
C. x3 – 2x2 – 5x – 7
D. x3 – 2x2 + 5x + 7
Answer:D
If α, β, γ are zeroes of the polynomial p (such that α + β + γ = 2, αβ + βγ + γα = 5, αβγ = – 7, then p(is:
A. x3 – 2x2 + 5x – 7 B. x3 + 2x2 – 5x + 7 C. x3 – 2x2 – 5x – 7 D. x3 – 2x2 + 5x + 7