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consider the set of straight lines px+qy+r=0 such 3p+2q+4r=0 which of the following statement is true
(a)the lines are parellel
(b) each line passes through the origin
(c) the lines are not concurrent
(d) the lines are concurrent at the point [3/4,1/2]

gangula deekshith , 3 Years ago
Grade 12
anser 1 Answers
gangula deekshith

Last Activity: 3 Years ago

given set of lines 
px+qy+r=0
given condition 
3p+2q+4r=0_________________(1)
(or)
3/4p+1/2q+r=0_____________________(2)
comparing (1) and (2) we get all the lines passes through a fixed point  [3/4,1/2]
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