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Mathematics
Mathematics
Problem
Identify a substitution
u
=
u=\,\,
u
=
? that transforms the integrand in
∫
3
x
2
(
1
+
x
3
)
5
d
x
\displaystyle \int 3x^{2}(1+x^{3})^{5}\,dx
∫
3
x
2
(
1
+
x
3
)
5
d
x
into a function of
u
u
u
alone.
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