f(x) - g(x) = [tex]-2x^{3}+2x^{1/2}[/tex]
Step-by-step explanation:
Given :
f(x) - g(x) = ([tex]x^{1/2} -x[/tex]) - ( [tex]2x^{3} -x^{1/2} -x[/tex])
⇒ ([tex]x^{1/2} -x[/tex][tex]-2x^{3}+x^{1/2} +x[/tex])
⇒ [tex]-2x^{3}+2x^{1/2}[/tex]
f(x) - g(x) = [tex]-2x^{3}+2x^{1/2}[/tex]