Practice problem
Find xxx:
1±22\frac{1\pm\sqrt{2}}{2}21±2
1±32\frac{1\pm\sqrt{3}}{2}21±3
1±22\frac{1\pm2}{2}21±2
1±52\frac{1\pm\sqrt{5}}{2}21±5
Type a concept, like “slope” or “photosynthesis”.
