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Byju's Answer
Standard XII
Mathematics
Equation of Normal at a Point (x,y) in Terms of f'(x)
The area of t...
Question
The area of the region bounded by the curves
y
=
|
x
−
1
|
and
y
=
3
−
|
x
|
is?
A
2
sq. units
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B
3
sq. units
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C
4
sq. units
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D
6
sq. units
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Solution
The correct option is
C
4
sq. units
y
=
3
(
−
x
)
⇒
y
=
3
+
x
y
=
|
x
−
1
|
⇒
y
=
|
−
1
|
[
i
f
x
=
0
]
y
=
3
−
|
x
|
x
=
2
2
y
=
4
2
y
=
2
y
=
2
⇒
y
=
1
Breadth =distance between
(
1
,
0
)
and
(
2
,
1
)
or
(
0
,
3
)
and
(
−
1
,
2
)
=
√
(
2
−
1
)
2
+
(
1
−
0
)
2
=
√
2
or distance between
(
1
,
0
)
and
(
2
,
3
)
length =Distance between
(
0
,
3
)
and
(
2
,
1
)
or
(
−
1
,
2
)
and
(
1
,
0
)
=
√
(
0
−
2
)
2
+
(
3
−
1
)
2
=
√
8
=
2
√
2
Area=length
×
breadth
=
√
2
×
2
√
2
=
4
(units sq)
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Similar questions
Q.
The area of the region bounded by the curve x = 2y + 3, y-axis and the line y = 1 and y = -1 is
(a) 4 sq. units (b)
3
2
sq. units (c) 6 sq. units (d) 8 sq. units