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Byju's Answer
Standard VIII
Mathematics
ASA Postulate
20. qx+py-(p+...
Question
20. qx+py-(p+q)=0. ax+by-[ap+bq2÷pq]=0
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Similar questions
Q.
The locus of the orthocentre of the triangle formed by the lines
(
1
+
p
)
x
−
p
y
+
p
(
1
+
p
)
=
0
,
(
1
+
q
)
x
−
q
y
+
q
(
1
+
q
)
=
0
and
y
=
0
, where
p
≠
q
, is
Q.
Prove that the lines
(
p
−
q
)
x
+
(
q
−
r
)
y
+
(
r
−
p
)
=
0
(
q
−
r
)
x
+
(
r
−
p
)
y
+
(
p
−
q
)
=
0
(
r
−
p
)
x
+
(
p
−
q
)
y
+
(
q
−
r
)
=
0
are concurrent.
Q.
The lines
p
x
+
q
y
+
r
=
0
,
q
x
+
r
y
+
p
=
0
a
n
d
r
x
+
p
y
+
q
=
0
are concurrent then
Q.
Three lines
p
x
+
q
y
+
r
=
0
,
q
x
+
r
y
+
p
=
0
and
r
x
+
p
y
+
q
=
0
are concurrent if
Q.
The locus of the orthocenter of the triangle formed by the lines
(
1
+
p
)
x
−
p
y
+
p
(
1
+
p
)
=
0
,
(
1
+
q
)
x
−
q
y
+
q
(
1
+
q
)
=
0
and
y
=
0
, where
p
≠
q
, is
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