Question

The zeros of the cubic polynomial 2x3-x2-2x+1 are a, b and c respectively. Find a+b+c :

A) -1 B) 2 C) 1 D) none

Answer 1

Answer:

option (d): none

Step-by-step explanation:

if zeroes of the polynomial 2x^3 - x^2 +2x +1 are a,b,c

sum of zeroes of polynomial = coefficent of x^2/coefficent of x^3

a+b+c= -1/2

so, the option (d) is correct

Answer 2

Answer:

First of all we would find all the three factors of

f(x)= 2x³-x²-2x+1, and add them

By doing so we will get the answer as 1

2

Refer to the attachment

Hope it helps!

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