Define correlation coefficient between two variables
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ax²+bx+c=0
and
α and β are the zeros then
α+β=-b/a
αβ=c/a
ax³+bx²+cx+d=0
and
α,βandγ are the zeros then
α+β+γ=-b/a
αβ+βγ+γα=c/a
αβγ=-d/a
and
α and β are the zeros then
α+β=-b/a
αβ=c/a
ax³+bx²+cx+d=0
and
α,βandγ are the zeros then
α+β+γ=-b/a
αβ+βγ+γα=c/a
αβγ=-d/a
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