JEE Mains Model Paper 9

Slope of line L = −

b

5

Slope of line K = −

3

c

Line L is parallel to line k.
⇒

b

5

=

3

c

⇒ bc = 15
(13, 32) is a point on L.
⇒

13

2

+

32

b

= 1
⇒

32

b

⇒ b = -20
⇒ c = -

3

4

Equation of K ; y − 4x = 3
Distance between L and K
=

|52−32+3|

√17

=

23

√17