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Mathematics
Consider the equation y-y1=m(x-x1). If m and x1 are fixed and different lines are drawn for different values of y1, then
Q. Consider the equation
y
−
y
1
=
m
(
x
−
x
1
)
. If
m
and
x
1
are fixed and different lines are drawn for different values of
y
1
, then
69
105
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A
the lines will pass through a fixed point
B
there will be a set of parallel lines
C
all lines intersect the line
x
=
x
1
D
all lines will be parallel to the line
y
=
x
1
Solution:
m
and
x
1
are fixed and
y
1
is variable
Hence,
(B) There will be a set of parallel lines
(C) All lines intersect the line
x
=
x
1