Home
Class 12
MATHS
If px+qx+r=0 represent a family fo stari...

If `px+qx+r=0` represent a family fo staright lines such that `3p+2q+4r=0` then (a) All lines are parallel (b) All lines are incosistance (c) All lines are concurrent at `((3)/(4),(1)/(2))` (d) All lines are concurrent at `(3,2)`

Promotional Banner

Similar Questions

Explore conceptually related problems

If a,b,c are in A.P then the lines represented by ax+by+c=0 are concurrent at the point

Lines p,q and r are concurrent.Also,lines p,r and s are concurrent.Draw a figure and state whether lines p,q,r and s are concurrent or not.

The differential equation of all lines parallel to the line 3x+2y+5=0 is

All the lines whose sum of reciprocal of intercepts is k will be concurrent at the point

Consider the set of all lines px+qy+r=0 such that 3p+2q+4r=0. Which one of the following statements is true ?

If the pair of straight lines xy-x-y+1=0 & the line ax+2y-3=0 are concurrent then a=

2a+b+2c=0(a,b,c in R), then the family of lines ax+by+c=0 is concurrent at

If a^(2)+9b^(2)-4c^(2)=6ab, then the family of lines ax+by+c=0 are concurrent at:

If 4a^(2)+9b^(2)-c^(2)-12ab=0 then family of straight lines ax+by+c=0 are concurrent at P and Q then values of P & Q are

If the straight lines x+y-2-0,2x-y+1=0 and a x+b y-c=0 are concurrent, then the family of lines 2a x+3b y+c=0(a , b , c) are nonzero) is concurrent at (a) (2,3) (b) (1/2,1/3) (c) (-1/6,-5/9) (d) (2/3,-7/5)