integrate x²+?
x ² + 2 u ² + x
Answers
Answered by
1
Answer:
2
x
x
2
−
1
d
x
=
l
n
(
x
2
−
1
)
+
C
Explanation:
∫
2
x
x
2
−
1
d
x
=
?
x
2
−
1
=
u
2
x
d
x
=
d
u
∫
2
x
x
2
−
1
d
x
=
∫
d
u
u
=
l
n
u
+
C
∫
2
x
x
2
−
1
d
x
=
l
n
(
x
2
−
1
)
+
C
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