A line passes through the point and is perpendicular to

MATHEMATICS · Single correct · CBSE · Mathematics · Straight Lines · Straight Lines

Problem

A line

L

passes through the point

(2k,k)

and is perpendicular to

7x+3y-1=0

. Another line

M

passes through

(1,4)

and is parallel to

L

. If

L

and

M

meet the

y

-axis at the same point, find

k

. (a)

28

(b)

31

(c)

25

(d)

21