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Byju's Answer
Standard XII
Mathematics
Integration by Partial Fractions
∫2x-1√1 + x -...
Question
∫
(
2
x
−
1
)
√
1
+
x
−
x
2
d
x
Open in App
Solution
We have,
I
=
∫
(
2
x
−
1
)
√
1
+
x
−
x
2
d
x
Let
t
=
1
+
x
−
x
2
d
t
d
x
=
0
+
1
−
2
x
d
t
=
−
(
2
x
−
1
)
d
x
Therefore,
I
=
−
∫
√
t
d
t
I
=
−
t
3
/
2
3
/
2
+
C
On putting the value of
t
, we get
I
=
−
2
3
(
1
+
x
−
x
2
)
3
2
+
C
Hence, this is the answer.
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