5. Find the Maclaurin series for the following functions: a ) f(x) =ex 13 b) f(x)= x'sin(5x) c) f(x) = cos (3x) 6. Determine the Taylor's series of the following: a) f(x) = sin(x) about a = b ) f(x) = cos(x) about a = 3 6 c) f(x)=7x'+5x' -2x+4 about a = 3