Condition for concurrency of three lines.

For three positive real numbers a,b,c,a>b, if a^(2)+b^(2)-c^(2)-2ab=0 the point of concurrency of the straight lines ax+by+c=0 lies on

Condition for Perpendicularity of two lines.

Condition for the parallelism of the lines

Condition OF concurrency || Angle OF triangle made by three lines || Position OF point with respect to line & Examples

Which of the following lines is concurrent with the lines 3x+ 4y+6=0 and 6x+5y +9 =0 ?

What are concurrent forces ? Obtain a condition for the equilibrium of three concurrent forces

If n lines are drawn in a plane such that no two of them are parallel and no three of them are concurrent,such that these lines divide the planein 67 parts,then find number of different points at which these lines will cut.

Condition for a line to lie in a plane

The lines x+y-1=0,(m-1)x+(m^(2)-7)y-5=0 and (m-2)x+(2m-5)y=0 are concurrent for three values of m concurrent for one value of m concurrent for no value of m parallel for m=3.