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Mathematics
Mathematics
Problem
Find distance between lines. a.
l
(
x
+
y
)
+
p
=
0
l(x+y) + p = 0
l
(
x
+
y
)
+
p
=
0
and
l
(
x
+
y
)
−
r
=
0
l(x+y) - r = 0
l
(
x
+
y
)
−
r
=
0
.
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