6*atan(5 + 4*x) + 4*log(5*x - 4)
6*atan(5 + 4*x) + 4*log(5*x - 4)
20 24 ------- + -------------- 5*x - 4 2 1 + (5 + 4*x)
/ 25 48*(5 + 4*x) \ -4*|----------- + -----------------| | 2 2| |(-4 + 5*x) / 2\ | \ \1 + (5 + 4*x) / /
/ 2 \ | 96 125 384*(5 + 4*x) | 8*|- ----------------- + ----------- + -----------------| | 2 3 3| | / 2\ (-4 + 5*x) / 2\ | \ \1 + (5 + 4*x) / \1 + (5 + 4*x) / /