2005 iTest Problems/Problem 7
Problem
Find the coefficient of the fourth term of the expansion of 
.
Solution 1
The coefficient of the 
th term in the expansion of 
is 
. Plugging in 
for m and 
for n, we find that our answer is 
.
See Also
| 2005 iTest (Problems, Answer Key) | ||
| Preceded by: Problem 6 |
Followed by: Problem 8 | |
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