Practice problem
Let a=1314a=\sqrt{\frac{13}{14}}a=1413. What is 121−a+121+a\frac{12}{1-a}+\frac{12}{1+a}1−a12+1+a12?
Source: inspired by AIME 2016
125125125
284284284
336336336
455455455
Type a concept, like “slope” or “photosynthesis”.
