atan(log(x)) / log(7) 2*log(x) \ 7 *|-1 + ----------- - -----------|*log(7) | 2 2 | \ 1 + log (x) 1 + log (x)/ ----------------------------------------------------- 2 / 2 \ x *\1 + log (x)/
/ 2 2 \ atan(log(x)) | 2 log (7) 3*log(7) 6*log(x) 8*log (x) 6*log(7)*log(x)| 7 *|2 - ----------- + -------------- - ----------- + ----------- + -------------- - ---------------|*log(7) | 2 2 2 2 2 2| | 1 + log (x) / 2 \ 1 + log (x) 1 + log (x) / 2 \ / 2 \ | \ \1 + log (x)/ \1 + log (x)/ \1 + log (x)/ / ---------------------------------------------------------------------------------------------------------------------- 3 / 2 \ x *\1 + log (x)/