Solution:
We can write
(1)
Using we can rewrite (1) as
, (2)
Adding (1) and (2) we obtain
In the expression each curs
exactly n times. Thus
Let .
Statement-1:
Statement-2:
We can write
(1)
Using we can rewrite (1) as
, (2)
Adding (1) and (2) we obtain
In the expression each curs
exactly n times. Thus