well, you can start with
e^3 = 1 + 3/1! + 9/2! + 27/3! + ...
and your expression is 1 + 1/kx + f(x)/kx^2
so what can you do to equate them?
lim x tends to 0,
[1+x(1+{f(x)/kx^2})] = e^3 and f(4)=64. Find the value of k.
1 answer