Sum of Coefficients
Probability
Level
2
What is the sum of the coefficients of the expanded form of the above?
The answer is 1073741824.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
The sum of all coefficients in a binomial expression of the form ( a + b ) n is 2 n