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Byju's Answer
Standard XII
Mathematics
Parametric Form of a Straight Line
Area lying in...
Question
Area lying in the first quadrant and bounded by the circle
x
2
+
y
2
=
4
, the line
x
=
√
3
y
and x-axis is.
A
π
sq units
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B
π
2
sq units
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C
π
3
sq units
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D
None of these
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Solution
The correct option is
C
π
3
sq units
Required area
=
∫
1
0
(
x
2
−
x
1
)
d
y
=
∫
1
0
(
√
4
−
y
2
−
√
3
y
)
d
y
=
[
1
2
y
√
4
−
y
2
+
1
2
(
4
)
s
i
n
−
1
y
2
−
√
3
y
2
2
]
1
0
=
√
3
2
+
s
i
n
−
1
(
1
2
)
−
√
3
2
−
2
s
i
n
−
1
0
=
√
3
2
+
2
(
π
6
)
−
√
3
2
=
π
3
sq units.
Hence, option C is correct.
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Similar questions
Q.
The area of the smaller region bounded by the circle
x
2
+
y
2
=
1
and the lines
|
y
|
=
x
+
1
is
Q.
The area (in sq. units) bounded by the curve
y
=
√
x
,
2
y
−
x
+
3
=
0
,
x
-axis, and lying in first quadrant is :
Q.
The area of the region in the first quadrant enclosed by the x-axis, the line y = x and the circle x
2
+ y
2
= 32 is
(a) 16π sq. units
(b) 4π sq. units
(c) 32π sq. u nits
(d) 24 sq. units