Hello Rajesh
We are given f(1) = 3
And f(x + y) = f(x) f(y)
and we need to find f(2), f(3), f(4)...
So, to find it.
we need x + y = 2, x + y = 3, x + y = 4
So, we take x = 1, y = 1
x = 1, y = 2,
x = 2, y = 2
and so on.
Written on Dec. 10, 2017, 1:02 p.m.