Question

If p(x) = 3x2 – 5x – 12, then find its zeros and verify the relationship between zeros and coefficients of the polynomials.

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer :

3x²-5x-12 =0

3x²-9x+4x-12

3x(x-3) +4(x-3)

(x-3) (3x+4)

x-3 = 0 ; 3x+4=0

x=3 (alpha)(a) ; x= -4/3 (beta) (B)

a+B= -b/a

a+B= -5/3

-b/a = -5/3

aB = c/a

aB = -4

c/a = -4