reganwade9405 reganwade9405 25-05-2023 Mathematics contestada Show [infinity]J-[infinity] x^2/x^4 + x^2 + 1dx = /V3 Hint x^4 + x^2 + 1 = (x^4 + 2x^2 +1) - x^2 = (x^2 + 1)^2 - x^2
