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find the area between the curve y x2 and y x
Question:
Find the area between the curve
y
=
x
2
and
y
=
x
.
MHT CET
Updated On:
Jun 23, 2024
(A)
5
6
sq. unit
(B)
1
3
sq. unit
(C)
1
2
sq. unit
(D)
1
6
sq. unit
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The Correct Option is
D
Solution and Explanation
Explanation:
Given:Curve
1
:
y
=
x
2
=
f
(
x
)
(say)Curve 2 :
y
−
x
=
0
⇒
y
=
x
=
g
(
x
)
(say)The curve can be drawn as:
To find the intersections (or limits of the area) putting value of
y
from curve 1
⇒
x
2
−
x
=
0
⇒
x
(
x
−
1
)
=
0
⇒
x
=
0
,
x
=
1
Now the required area
(
A
)
is:
A
=
|
∫
x
1
x
2
[
f
(
x
)
−
g
(
x
)
]
d
x
|
⇒
A
=
|
∫
0
1
[
x
2
−
x
]
d
x
|
⇒
A
=
|
[
x
3
3
−
x
2
2
]
0
1
|
⇒
A
=
|
1
3
−
1
2
−
(
0
)
|
⇒
A
=
1
6
sq. unitHence, the correct option is (D).
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