Difference between revisions of "1962 AHSME Problems/Problem 12"
(Created page with "==Problem== When <math>\left ( 1 - \frac{1}{a} \right ) ^6</math> is expanded the sum of the last three coefficients is: <math> \textbf{(A)}\ 22\qquad\textbf{(B)}\ 11\qquad\text...") |
(No difference)
|
Revision as of 21:35, 9 November 2013
Problem
When is expanded the sum of the last three coefficients is:
Solution
"Unsolved"