Last Updated On [03-11-2023]
If the pairs of lines 
and 
have exactly one line in common, then the joint equation of the other two lines is given by
a)
b)
c)
d)
If the pairs of lines and have exactly one line in common, then the joint equation of the other two lines is given by
a)
b)
c)
d)
Question ID - 52928 :-
If the pairs of lines and have exactly one line in common, then the joint equation of the other two lines is given by
a)
b)
c)
d)
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If the pairs of lines |
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a) |
|
b) |
|
|
c) |
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d) |
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(b)
Let 
be a line common to the given pairs of lines. Then
and 
and 
or 
But for 
, the two pairs have both the lines common. So 
and the slope 
of the line common to both the pairs is 1. Now,
and 
so the equation of the required lines is
Next Question :
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If two vertices of a triangle are |
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|
a) |
(7, 4) |
b) |
(8, 14) |
c) |
(12, 21) |
d) |
None of these |
and 
, orthocentre lies at the origin and centroid on the line 
, then the third vertex lies atView Topper Answer
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