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Byju's Answer
Standard XII
Mathematics
Area between x=g(y) and y Axis
Area of regio...
Question
Area of region
{
(
x
,
y
)
∈
R
2
:
y
≥
√
|
x
+
3
|
,
5
y
≤
x
+
9
≤
15
}
is equal to
A
1
6
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B
4
3
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C
3
2
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D
5
3
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Solution
The correct option is
D
3
2
Area
A
B
E
(under parabola)
=
∫
−
3
−
4
√
−
x
−
3
d
x
=
2
3
Area
B
C
D
(under parabola)
=
∫
1
−
3
√
x
+
3
d
x
=
16
3
Area of trapezium
A
C
D
E
=
1
2
(
1
+
2
)
5
=
15
2
Required area
=
15
2
−
16
3
−
2
3
=
3
2
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0
Similar questions
Q.
Area of the region
(
x
,
y
)
ϵ
R
2
:
y
≥
R
2
:
y
≥
√
|
x
+
3
|
,
5
y
≤
(
x
+
9
)
≤
15
is equal to
Q.
Area of the region
{
(
x
,
y
)
∈
R
2
:
y
≥
√
|
x
+
3
|
,
5
y
≤
x
+
9
≤
15
}
is equal to
Q.
The factors of 10xy - 6x - 15y + 9 are
Q.
Δ
1
=
∣
∣ ∣ ∣
∣
y
5
z
6
(
z
3
−
y
3
)
x
4
z
6
(
x
3
−
z
3
)
x
4
y
5
(
y
3
−
x
3
)
y
2
z
3
(
y
6
−
z
6
)
x
z
3
(
z
6
−
x
6
)
x
y
2
(
x
6
−
y
6
)
y
2
z
3
(
z
3
−
y
3
)
x
z
3
(
x
3
−
z
3
)
x
y
2
(
y
3
−
x
3
)
∣
∣ ∣ ∣
∣
and
Δ
2
=
∣
∣ ∣ ∣
∣
x
y
2
z
3
x
4
y
5
z
6
x
7
y
8
z
9
∣
∣ ∣ ∣
∣
. then
Δ
1
is equal to
Q.
Solve the following equations.
(1) 17(x+4) + 8(x+6) = 11(x+5) +15(x+3)
(2)
3
y
2
+
y
+
4
4
= 5−
y
-
2
4
(3) 5(1−2x) = 9(1−x)
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