Question

find the zeros of the polynomial 6x^3+5x^2+7x-20 and verify the relationship between the zeros and coefficients​

Answer 1

Given :  6x^3+5x^2+7x-20

To Find : zeros of the polynomial

Solution:

x 6x³+5x²+7x-20

-5 -680

-4 -352

-3 -158

-2 -62

-1 -28

0 -20

1 -2

2 62

3 208

4 472

5 890

6 1498

Only one real roots exists   ≈ 1.05511777256925

Hence looks issue in data

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