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If a, b, c are in arithmetic progression, the line ax +… | StemPy Lab
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If a, b, c are in arithmetic progression, the line ax + by + c = 0 always passes through the point
Mathematics
Medium
High School (11–12)
Coordinate Geometry › Straight Lines
SAT
A-Level
IB
Created by
StemPy Lab
If
a
a
a
,
b
b
b
,
c
c
c
are in arithmetic progression, the line
a
x
+
b
y
+
c
=
0
ax + by + c = 0
a
x
+
b
y
+
c
=
0
always passes through the point
(
−
1
,
2
)
(-1, 2)
(
−
1
,
2
)
(
1
,
2
)
(1, 2)
(
1
,
2
)
(
2
,
−
1
)
(2, -1)
(
2
,
−
1
)
(
1
,
−
2
)
(1, -2)
(
1
,
−
2
)
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