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To begin evaluating the integral
MATHEMATICS · Single correct · CBSE · Mathematics · Integrals · Integrals
Problem
To begin evaluating the integral
∫
x
ln
(
x
2
+
4
)
d
x
\displaystyle \int x\,\ln\bigl(x^{2}+4\bigr)\,dx
∫
x
ln
(
x
2
+
4
)
d
x
, which substitution for
u
u
u
is most likely to simplify the integrand for subsequent work? (a)
u
=
x
2
+
4
u = x^{2}+4
u
=
x
2
+
4
(b)
u
=
x
2
u = x^{2}
u
=
x
2
(c)
u
=
ln
(
x
2
+
4
)
u = \ln\bigl(x^{2}+4\bigr)
u
=
ln
(
x
2
+
4
)
(d)
u
=
x
u = x
u
=
x
Related theory
Integration Techniques
Integration by Substitution
Integrals
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