lim x tends to 0,

Question

[1+x(1+{f(x)/kx^2})] = e^3 and f(4)=64. Find the value of k.

Answer 1

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?