x 5 + atan(7*x)
5^x + atan(7*x)
7 x --------- + 5 *log(5) 2 1 + 49*x
x 2 686*x 5 *log (5) - ------------ 2 / 2\ \1 + 49*x /
2 686 x 3 134456*x - ------------ + 5 *log (5) + ------------ 2 3 / 2\ / 2\ \1 + 49*x / \1 + 49*x /