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Byju's Answer
Standard XII
Mathematics
Area between x=g(y) and y Axis
Find the area...
Question
Find the area of the region bounded by curve
y
2
=
4
x
,
x
=
1
,
and
x
=
4
and the x-axis in the first quadrant.
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Solution
Area, A
=
∫
4
1
y
d
x
=
∫
4
1
√
4
x
d
x
=
2
∫
4
1
√
x
d
x
=
2
⎛
⎜
⎝
2
3
x
3
2
⎞
⎟
⎠
4
=
4
3
⎛
⎜
⎝
4
3
2
−
1
3
2
⎞
⎟
⎠
=
28
3
units
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12
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