Write a linear equation that describes the problem.

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Ответ:

iklassibrahim123

01.08.2022

Mathematics

Step-by-step explanation:

Given is a function in x as

f(x)=2x^3-x^2-8x+4

We have to find the zeroes of the function

Since this is a cubic function this function has three zeroes.

Let us try to factorise this function by grouping two terms together.

$x^2(2x-1)-4(2x-1)\\= (2x-1)(x^2-4)$

= (2x-1)(x-2)(x+2)

Equate each factor to 0 to find zeroes as

$-2,2,\frac{1}{2}$

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