\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Find the derivative of the Maclaurin polynomial of degree 4 for \(\frac{1}{1-x}\): \(P_4(x)=1+x+x^2+x^3+x^4\).
\(P'_4(x)=\)