Which one of the following equations involving the delta function is incorrect? Note represents convolution.

a) δ(t - 2)μ(t - 2) = μ(t - 2)
b) δ(t - 2)μ(t - 2) = δ(t - 2)
c) δ(t - 2)μ(t - 2) = δ(t - 4)
d) δ(t - 2)μ(t - 2) = μ(t - 4)