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kan noen hjelpe
f(x)=(x^2+2)^3
f(x)=x^2-1/x+1

1)
f(x)=(x^2+2)^3
f(u)=u^3 hvor u=x^2+2

u'=2x
f'(u)=3u^2

f'(x)=f'(u)*u'=3u^2*2x=6x(x^2+2)

2)
f(x)=x^2-(1/X)+1
f'(X)=2x+(1/x^2);