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Byju's Answer
Standard XII
Mathematics
Area between Two Curves
Area enclosed...
Question
Area enclosed between the curves
|
y
|
=
1
−
x
2
and
x
2
+
y
2
=
1
is
A
3
π
−
8
3
sq. units
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B
π
−
8
3
sq. units
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C
2
π
−
8
3
sq. units
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D
None of these
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Solution
The correct option is
A
3
π
−
8
3
sq. units
The dotted area is
A
=
1
∫
0
(
1
−
x
2
)
d
x
=
(
x
−
x
3
3
)
1
0
=
1
−
1
3
=
2
3
Hence, area bounded by circle
x
2
+
y
2
=
1
and
|
y
|
=
1
−
x
2
= Lined area
= Area of circle - Area bounded by
|
y
|
=
1
−
x
2
=
π
−
4
×
(
2
3
)
=
3
π
−
8
3
sq. units
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9
Similar questions
Q.
The area of the region bounded by the curves
|
x
+
y
|
≤
2
,
|
x
−
y
|
≤
2
and
2
x
2
+
6
y
2
≥
3
is
Q.
The area enclosed by the circle x
2
+ y
2
= 2 is equal to
(a) 4π sq. units
(b)
2
2
π
sq. units
(c) 4π
2
sq. units
(d) 2π sq. units