Algebrahard · Past Paper
If α, β are roots of x^2 + px + q = 0, find α/β + β/α.
A(p^2 - 2q)/q
Bp^2/q - 2
C(p^2 + 2q)/q
DBoth a and b
✓ Correct Answer: D — Both a and b
α/β + β/α = (α^2 + β^2)/αβ = (p^2 - 2q)/q = p^2/q - 2.
Share this question
✓ Correct Answer: D — Both a and b
α/β + β/α = (α^2 + β^2)/αβ = (p^2 - 2q)/q = p^2/q - 2.
Share this question