101/500
57/220
2/(1-x^2) + 2/(1+x^2) + 4/(1+x^4)
10k²+9k-1=0
11/44
45/54
1/8
gcd of 1, 8
gcd of 1,8
298.386x ^ { 3 } +751.41x ^ { 2 } -882 = 0