20-06-2017
Mathematics

contestada

If f(x)=x1/2-x and g(x) =2x^3-x1/2-x , find f(x) - g(x)

Respuesta :

20-06-2017

f(x)=x/2-x and g(x)=2x^3-x/2-x so

f(x)-g(x)=x/2-x-2x^3+x/2+x

f(x)-g(x)=-2x^3+2x/2

f(x)-g(x)=-2x^3+x or if you prefer:

f(x)-g(x)=x(-2x^2+1)

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