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Byju's Answer
Standard XI
Mathematics
Coordinates of a Point in Space
Find the locu...
Question
Find the locus of a point which is
5
units away from Origin.
A
x
2
+
y
2
=
25
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B
x
2
+
y
2
−
10
x
−
10
y
+
25
=
0
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C
2
x
2
+
y
2
−
5
x
−
5
x
+
10
=
0
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D
None.
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Solution
The correct option is
A
x
2
+
y
2
=
25
Let Locus of point P
(
x
,
y
)
Origin O
(
0
,
0
)
Geometrical condition
P
O
=
5
u
t
.
√
(
x
2
−
x
1
)
2
+
(
y
2
−
y
1
)
2
=
5
√
(
x
2
−
0
)
2
+
(
y
2
−
0
)
2
=
5
(
x
)
2
+
y
2
=
25
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0
Similar questions
Q.
The equation(s) of the circle(s) having radius
5
, centre on the line
y
=
x
and touching both the coordinate axes is(are)
Q.
The equation of a circle with radius 5 and touching both the coordinate axes is
(a) x
2
+ y
2
± 10x ± 10y + 5 = 0
(b) x
2
+ y
2
± 10x ± 10y = 0
(c) x
2
+ y
2
± 10x ± 10y + 25 = 0
(d) x
2
+ y
2
± 10x ± 10y + 51 = 0
Q.
The equation of a circle whose
x
-coordinate of the centre is
5
and radius is
4
units and also touches the
x
-axis, is
Q.
If two circles of radii
5
units touches each other at
(
1
,
2
)
and the equation of the common tangent is
4
x
+
3
y
=
10
, then the equation of the circle is/are
Q.
Equation of circle passing through the origin and making intercepts of length
10
units and
12
units on
x
axis and
y
axis respectively, can be
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