Find the nnn-th derivative of f(x)=ekxf(x) = e^{kx}f(x)=ekx.
knekxk^n e^{kx}knekx
n⋅ekxn \cdot e^{kx}n⋅ekx
kekxke^{kx}kekx
knxnekxk^n x^n e^{kx}knxnekx