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Byju's Answer
Standard XII
Mathematics
Area between Two Curves
The area encl...
Question
The area enclosed by the curves
|
y
+
x
|
≤
1
,
|
y
−
x
|
≤
1
and
2
x
2
+
2
y
2
=
1
is
A
(
2
+
π
2
)
sq. units
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B
(
2
−
π
2
)
sq. units
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C
(
3
+
π
2
)
sq. units
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D
(
3
−
π
2
)
sq.units
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Solution
The correct option is
B
(
2
−
π
2
)
sq. units
The curves
y
+
x
≤
1
a
n
d
|y - x|\leq 1
f
o
r
m
a
s
q
u
a
r
e
ABCD
a
n
d
2x^{2} + 2y^{2} = 1
i
s
a
c
i
r
c
l
e
o
f
r
a
d
i
u
s
\dfrac {1}{\sqrt {2}}
a
n
d
c
e
n
t
r
e
(0, 0)
.
T
h
e
r
e
f
o
r
e
,
r
e
q
u
i
r
e
d
a
r
e
a
=
A
r
e
a
o
f
s
q
u
a
r
e
-
A
r
e
a
o
f
c
i
r
c
l
e
= \left (2 -\dfrac {\pi}{2}\right ) $ sq. units
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