Mathematics: Divide x4 - 6x3 + x2 + 138x - 35 by x2 - 4x + 1

Divide x4 - 6x3 + x2 + 138x - 35 by x2 - 4x + - id4632138352414976330, pin193179

Dwoods4515

17.01.2022

$x^{4}-6x^{3}+x^{2}+138x-35x^{2}-4x-6x^{3}-34x^{2}+134x+1$

Steps:

$x^{4}-6x^{3}+x^{2}+138x-35x^{2}-4x+1$

Group like terms:

$x^{4}-6x^{3}+x^{2}-35x^{2}+138x-4x+1$

Add similar elements: 138x-4x=134x

$x^{4}-6x^{3}+x^{2}-35x^{2}+134x+1$

Add similar elements: x^2-35x^2=-34x^2

$x^{4}-6x^{3}+x^{2}-35x^{2}+134x+1$

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tyler8670

17.03.2020

The volume of the cone is

V=Sb×h/3=(pi×r²)×h/3=(pi×d²/4)×h/3=pi×d²×h/12

where Sb is the area of the base (circle of diameter d and radius r) and h is the height.

Remember d=2r, or r=d/2.

V=pi×12²×9/12=pi×12×9=108×3.14= 339.12cm³.

Rounded to the first tenth: 339.1cm³

answer: first option: 339.1cm³

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