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Byju's Answer
Standard XII
Physics
Vector Addition
Find the area...
Question
Find the area of the region in the first quadrant enclosed by x-axis, line
x
=
√
3
y
and the circle
x
2
+
y
2
=
4
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Solution
x-axis,
x
=
√
3
y
,
x
2
+
y
2
=
4
x
2
+
y
2
=
r
2
⇒
r
=
2
Given
r
=
2
&
y
=
1
√
3
x
⇒
y
=
m
x
+
c
∴
m
=
1
√
3
=
tan
θ
θ
=
30
o
So, area of shaded region
⇒
30
360
×
π
(
2
)
2
⇒
1
12
×
4
π
⇒
π
3
.
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Similar questions
Q.
Find the area of the region in the first quadrant enclosed by x-axis, the line x =
3
y
and the circle x
2
+ y
2
= 4.