# 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)

(i)

=

= = 0

= = 0

Let = ; β=1; γ=-2

β + γ = = =

β+ βγ + γ = = =

βγ = = -1 =

(ii)

=

= = 0

= = 0

Let =2; β=1; γ=1

β + γ = = 4 =

β+ βγ + γ = =

βγ = = 2 =

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