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Byju's Answer
Standard XII
Mathematics
Variable Separable Method
Find the area...
Question
Find the area of the region enclosed by the following curves
y
1
=
e
x
,
y
2
=
x
2
−
1
,
x
=
−
1
and
x
=
1.
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Solution
Area enclosed
=
Area of ABCDEF
Finding boundary conditions,
x
1
=
−
1
to
x
2
=
1
.
∴
∫
x
2
x
1
ABCDEF
=
∫
y
1
d
x
−
∫
y
2
d
x
=
∫
1
−
1
e
x
d
x
−
∫
1
−
1
(
x
2
−
1
)
d
x
=
[
e
x
]
1
−
1
−
[
x
3
3
−
x
]
1
−
1
⇒
(
e
−
1
e
)
−
[
1
3
−
1
−
(
−
1
3
+
1
)
]
⇒
e
−
1
e
−
(
2
3
−
2
)
⇒
e
−
1
e
+
4
3
.
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