Maths Olympiad Prep

Library / /182 of 841

Algebra Difficulty 4.9 AIME Find the answer

Solve x=x1x+11xx=\sqrt{x-\frac{1}{x}}+\sqrt{1-\frac{1}{x}} for xx.

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Solution

1+52\frac{1+\sqrt{5}}{2}.

Want a route through all this instead of an archive? The track puts 2,000 problems in a working order, from AMC 10 level to the IMO shortlist.

Source: Omni-MATH, licensed Apache-2.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.