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Question
Mathematics
∫ (x4-4/x2 √4+x2+x4) d x equals-
Q.
∫
x
2
4
+
x
2
+
x
4
x
4
−
4
d
x
equals-
287
145
Integrals
Report Error
A
x
4
+
x
2
+
x
4
+
c
B
4
+
x
2
+
x
4
+
c
C
2
4
+
x
2
+
x
4
+
c
D
2
x
4
+
x
2
+
x
4
+
c
Solution:
∫
x
3
x
2
4
+
1
+
x
2
x
4
−
4
d
x
=
∫
4
x
−
2
+
1
+
x
2
x
−
4
x
−
3
d
x
=
2
1
∫
t
−
1/2
d
t
[put
t
=
4
x
−
2
+
1
+
x
2
]
=
x
2
4
+
1
+
x
2
+
C
=
x
4
+
x
2
+
x
4
+
C