Question

If  represents two parallel lines, then the distance between them is

Solution

Correct option is

All of these

 

Let lx + my + n1 = 0 and lx + my + n2 = 0 be two parallel lines represented by the given equation. Then,  

      ,  

        

  

Let d be the distance between the parallel lines. Then, 

       

   

  

     

   

   

  

    

.

SIMILAR QUESTIONS

Q1

If the coordinates axes are the bisectors of the angles between the pair of lines ax2 + 2hxy + by2 = 0, then

Q2

 bisect angles between each other, then

Q3

If the equation  represents a pair of lines, then is equal to

Q4

The equation y2 – x2 + 2x – 1 = 0 represents.

Q5

 

Distance between the pair of lines represented by the equation   

       

Q6

If the angle between the The Pair of Straight Lines represented by the equation , where ‘λ’ is a non-negative real number. Then, λ =

Q7

 

The equation  

    

represents a pair of parallel straight lines, if

Q8

If the equation  represents two straight lines, then the product from the origin on these straight lines, is

Q9

If  represents two parallel straight lines, then

Q10

The equation of pair of lines joining origin to the points of intersection ofx2 + y2 = 9 and y =3, is