1977 AHSME Problems/Problem 8
Revision as of 12:17, 18 November 2016 by E power pi times i (talk | contribs) (Created page with "==Solution== Solution by e_power_pi_times_i <math>\dfrac{x}{|x} = 1</math> or <math>-1</math> depending whether <math>x</math> is positive or negative. If <math>a</math>, <ma...")
Solution
Solution by e_power_pi_times_i
or 
depending whether 
is positive or negative. If 
, 
, and 
are positive, then the entire thing amounts to 
. If one of the three is negative and the other two positive, the answer is 
. If two of the three is negative and one is positive, the answer is . If all three are negative, the answer is 
. Therefore the set is 
.
