EXAMPLE 12
EXAMPLE 13
If the degree of the numerator of a rational function is not less than that of the denominator,
divide until a remainder of lower degree is obtained.
EXAMPLE 14
EXAMPLE 15
EXAMPLE 16
with u = 5 + 2 sin x. The absolute-value sign is
not necessary here since (5 + 2 sin x) > 0 for all x.
EXAMPLE 17