JEE Main 2012Medium
Q.If f(x + y) = f(x) f(y) for all x, y and f(0) = 1, then f(x) =
a
e^{kx}
b
sin kx
c
cos kx
d
tan kx
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...