Solution:
Sum of the coefficients in the expansion of is Therefore,
.
As is odd, the greatest value of is where
or .
Here therefore or
Thus, greatest coefficient is .
If sum of the coefficients in the expansion of is , then the greatest coefficient in the expansion is:
Sum of the coefficients in the expansion of is Therefore,
.
As is odd, the greatest value of is where
or .
Here therefore or
Thus, greatest coefficient is .