Verify that the numbers given along side of the cubic polynomials below are their zeros. Also, verify the relationship between the zeros and coefficients in each case:
(i)

(ii)

Question

Verify that the numbers given along side of the cubic polynomials below are their zeros. Also, verify the relationship between the zeros and coefficients in each case: (i) (ii)

Philoid · Accepted Answer

_(i) =

= = 0

Let = ; β=1; γ=-2

β + γ = = =

β+ βγ + γ = = =

βγ = = -1 =

_(ii) =

= = 0

Let =2; β=1; γ=1

β + γ = = 4 =

β+ βγ + γ = =

βγ = = 2 =

Verify that the numbers given along side of the cubic polynomials below are their zeros. Also, verify the relationship between the zeros and coefficients in each case:(i) (ii)

Verify that the numbers given along side of the cubic polynomials below are their zeros. Also, verify the relationship between the zeros and coefficients in each case:
(i)

(ii)