\(\int \genfrac {}{}{}{}{c+d x^2}{a+b x^4} \, dx\) [1]
   \(\int \genfrac {}{}{}{}{c-d x^2}{a+b x^4} \, dx\) [2]
   \(\int \genfrac {}{}{}{}{c+d x^2}{a-b x^4} \, dx\) [3]
   \(\int \genfrac {}{}{}{}{c-d x^2}{a-b x^4} \, dx\) [4]
   \(\int \genfrac {}{}{}{}{2+3 x^2}{4+9 x^4} \, dx\) [5]
   \(\int \genfrac {}{}{}{}{2-3 x^2}{4+9 x^4} \, dx\) [6]
   \(\int \genfrac {}{}{}{}{2+3 x^2}{4-9 x^4} \, dx\) [7]
   \(\int \genfrac {}{}{}{}{2-3 x^2}{4-9 x^4} \, dx\) [8]
   \(\int \genfrac {}{}{}{}{\sqrt {a} \sqrt {b}+b x^2}{a+b x^4} \, dx\) [9]
   \(\int \genfrac {}{}{}{}{\sqrt {a} \sqrt {b}-b x^2}{a+b x^4} \, dx\) [10]
   \(\int \genfrac {}{}{}{}{d+e x^2}{d^2+e^2 x^4} \, dx\) [11]
   \(\int \genfrac {}{}{}{}{d-e x^2}{d^2+e^2 x^4} \, dx\) [12]
   \(\int \genfrac {}{}{}{}{5+2 x^2}{-1+x^4} \, dx\) [13]
   \(\int \genfrac {}{}{}{}{1+b x^2}{\sqrt {1-b^2 x^4}} \, dx\) [14]
   \(\int \genfrac {}{}{}{}{1-b x^2}{\sqrt {1-b^2 x^4}} \, dx\) [15]
   \(\int \genfrac {}{}{}{}{1+b x^2}{\sqrt {-1+b^2 x^4}} \, dx\) [16]
   \(\int \genfrac {}{}{}{}{1-b x^2}{\sqrt {-1+b^2 x^4}} \, dx\) [17]
   \(\int \genfrac {}{}{}{}{1-b x^2}{\sqrt {1+b^2 x^4}} \, dx\) [18]
   \(\int \genfrac {}{}{}{}{1+b x^2}{\sqrt {1+b^2 x^4}} \, dx\) [19]
   \(\int \genfrac {}{}{}{}{1-b x^2}{\sqrt {-1-b^2 x^4}} \, dx\) [20]
   \(\int \genfrac {}{}{}{}{1+b x^2}{\sqrt {-1-b^2 x^4}} \, dx\) [21]
   \(\int \genfrac {}{}{}{}{\sqrt {1+c^2 x^2}}{\sqrt {1-c^2 x^2}} \, dx\) [22]
   \(\int \genfrac {}{}{}{}{1+c^2 x^2}{\sqrt {1-c^4 x^4}} \, dx\) [23]
   \(\int \genfrac {}{}{}{}{\sqrt {1-c^2 x^2}}{\sqrt {1+c^2 x^2}} \, dx\) [24]
   \(\int \genfrac {}{}{}{}{1-c^2 x^2}{\sqrt {1-c^4 x^4}} \, dx\) [25]
   \(\int \genfrac {}{}{}{}{d+e x^2}{d^2+b x^2+e^2 x^4} \, dx\) [26]
   \(\int \genfrac {}{}{}{}{d+e x^2}{d^2+f x^2+e^2 x^4} \, dx\) [27]
   \(\int \genfrac {}{}{}{}{d+e x^2}{d^2-b x^2+e^2 x^4} \, dx\) [28]
   \(\int \genfrac {}{}{}{}{d+e x^2}{d^2-f x^2+e^2 x^4} \, dx\) [29]
   \(\int \genfrac {}{}{}{}{d-e x^2}{d^2+b x^2+e^2 x^4} \, dx\) [30]
   \(\int \genfrac {}{}{}{}{d-e x^2}{d^2+f x^2+e^2 x^4} \, dx\) [31]
   \(\int \genfrac {}{}{}{}{d-e x^2}{d^2-b x^2+e^2 x^4} \, dx\) [32]
   \(\int \genfrac {}{}{}{}{d-e x^2}{d^2-f x^2+e^2 x^4} \, dx\) [33]
   \(\int \genfrac {}{}{}{}{d-e x^2}{\genfrac {}{}{}{}{c d^2}{e^2}+b x^2+c x^4} \, dx\) [34]
   \(\int \genfrac {}{}{}{}{d+e x^2}{\genfrac {}{}{}{}{c d^2}{e^2}+b x^2+c x^4} \, dx\) [35]
   \(\int \genfrac {}{}{}{}{d+e x^2}{b x^2+c (\genfrac {}{}{}{}{d^2}{e^2}+x^4)} \, dx\) [36]
   \(\int \genfrac {}{}{}{}{a-b x^2}{a^2+(-1+2 a b) x^2+b^2 x^4} \, dx\) [37]
   \(\int \genfrac {}{}{}{}{a+b x^2}{a^2+(-1+2 a b) x^2+b^2 x^4} \, dx\) [38]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1+b x^2+4 x^4} \, dx\) [39]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1-b x^2+4 x^4} \, dx\) [40]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1+6 x^2+4 x^4} \, dx\) [41]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1+5 x^2+4 x^4} \, dx\) [42]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1+4 x^2+4 x^4} \, dx\) [43]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1+3 x^2+4 x^4} \, dx\) [44]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1+2 x^2+4 x^4} \, dx\) [45]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1+x^2+4 x^4} \, dx\) [46]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1+4 x^4} \, dx\) [47]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1-x^2+4 x^4} \, dx\) [48]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1-2 x^2+4 x^4} \, dx\) [49]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1-3 x^2+4 x^4} \, dx\) [50]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1-4 x^2+4 x^4} \, dx\) [51]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1-5 x^2+4 x^4} \, dx\) [52]
   \(\int \genfrac {}{}{}{}{1+2 x^2}{1-6 x^2+4 x^4} \, dx\) [53]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1+b x^2+4 x^4} \, dx\) [54]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1+6 x^2+4 x^4} \, dx\) [55]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1+5 x^2+4 x^4} \, dx\) [56]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1+4 x^2+4 x^4} \, dx\) [57]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1+3 x^2+4 x^4} \, dx\) [58]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1+2 x^2+4 x^4} \, dx\) [59]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1+x^2+4 x^4} \, dx\) [60]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1+4 x^4} \, dx\) [61]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1-x^2+4 x^4} \, dx\) [62]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1-2 x^2+4 x^4} \, dx\) [63]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1-3 x^2+4 x^4} \, dx\) [64]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1-4 x^2+4 x^4} \, dx\) [65]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1-5 x^2+4 x^4} \, dx\) [66]
   \(\int \genfrac {}{}{}{}{1-2 x^2}{1-6 x^2+4 x^4} \, dx\) [67]
   \(\int \genfrac {}{}{}{}{1+x^2}{1+b x^2+x^4} \, dx\) [68]
   \(\int \genfrac {}{}{}{}{1+x^2}{1+5 x^2+x^4} \, dx\) [69]
   \(\int \genfrac {}{}{}{}{1+x^2}{1+4 x^2+x^4} \, dx\) [70]
   \(\int \genfrac {}{}{}{}{1+x^2}{1+3 x^2+x^4} \, dx\) [71]
   \(\int \genfrac {}{}{}{}{1+x^2}{1+2 x^2+x^4} \, dx\) [72]
   \(\int \genfrac {}{}{}{}{1+x^2}{1+x^2+x^4} \, dx\) [73]
   \(\int \genfrac {}{}{}{}{1+x^2}{1+x^4} \, dx\) [74]
   \(\int \genfrac {}{}{}{}{1+x^2}{1-x^2+x^4} \, dx\) [75]
   \(\int \genfrac {}{}{}{}{1+x^2}{1-2 x^2+x^4} \, dx\) [76]
   \(\int \genfrac {}{}{}{}{1+x^2}{1-3 x^2+x^4} \, dx\) [77]
   \(\int \genfrac {}{}{}{}{1+x^2}{1-4 x^2+x^4} \, dx\) [78]
   \(\int \genfrac {}{}{}{}{1+x^2}{1-5 x^2+x^4} \, dx\) [79]
   \(\int \genfrac {}{}{}{}{1-x^2}{1+b x^2+x^4} \, dx\) [80]
   \(\int \genfrac {}{}{}{}{1-x^2}{1+5 x^2+x^4} \, dx\) [81]
   \(\int \genfrac {}{}{}{}{1-x^2}{1+4 x^2+x^4} \, dx\) [82]
   \(\int \genfrac {}{}{}{}{1-x^2}{1+3 x^2+x^4} \, dx\) [83]
   \(\int \genfrac {}{}{}{}{1-x^2}{1+2 x^2+x^4} \, dx\) [84]
   \(\int \genfrac {}{}{}{}{1-x^2}{1+x^2+x^4} \, dx\) [85]
   \(\int \genfrac {}{}{}{}{1-x^2}{1+x^4} \, dx\) [86]
   \(\int \genfrac {}{}{}{}{1-x^2}{1-x^2+x^4} \, dx\) [87]
   \(\int \genfrac {}{}{}{}{1-x^2}{1-2 x^2+x^4} \, dx\) [88]
   \(\int \genfrac {}{}{}{}{1-x^2}{1-3 x^2+x^4} \, dx\) [89]
   \(\int \genfrac {}{}{}{}{1-x^2}{1-4 x^2+x^4} \, dx\) [90]
   \(\int \genfrac {}{}{}{}{1-x^2}{1-5 x^2+x^4} \, dx\) [91]
   \(\int \genfrac {}{}{}{}{-1-3 x^2}{1+2 x^2+9 x^4} \, dx\) [92]
   \(\int \genfrac {}{}{}{}{1+3 x^2}{-1-2 x^2-9 x^4} \, dx\) [93]
   \(\int \genfrac {}{}{}{}{3+2 x^2}{1-2 x^2+x^4} \, dx\) [94]
   \(\int \genfrac {}{}{}{}{2+3 x^2}{5-8 x^2+3 x^4} \, dx\) [95]
   \(\int \genfrac {}{}{}{}{d+e x^2}{5-8 x^2+3 x^4} \, dx\) [96]
   \(\int \genfrac {}{}{}{}{3+x^2}{1+3 x^2+x^4} \, dx\) [97]
   \(\int \genfrac {}{}{}{}{a+b x^2}{1+x^2+x^4} \, dx\) [98]
   \(\int \genfrac {}{}{}{}{a+b x^2}{(1+x^2+x^4)^2} \, dx\) [99]
   \(\int \genfrac {}{}{}{}{a+b x^2}{2+x^2+x^4} \, dx\) [100]