Consider points 
and 
. If 
be a point on the line 
such that 
is minimum, then coordinates of 
are
a)
(12/7, 12/7)
b)
(13/7, 13/7)
c)
(31/7, 31/7)
d)
(0, 0)
Consider points and . If be a point on the line such that is minimum, then coordinates of are
a)
(12/7, 12/7)
b)
(13/7, 13/7)
c)
(31/7, 31/7)
d)
(0, 0)
Question ID - 52921 | SaraNextGen Top Answer
Consider points and . If be a point on the line such that is minimum, then coordinates of are
a)
(12/7, 12/7)
b)
(13/7, 13/7)
c)
(31/7, 31/7)
d)
(0, 0)
|
Consider points |
|
|
a) |
(12/7, 12/7) |
|
b) |
(13/7, 13/7) |
|
c) |
(31/7, 31/7) |
|
d) |
(0, 0) |
1 Answer
127 votes
Answer Key / Explanation : (c) -
(c)
.png)
Consider a point 
, the image of 
in 
. Therefore, the coordinates of 
are (4,3)
or (Notice that 
and 
lie are the same side with respect top 
). Then 
. Thus, 
is minimum, if 
is minimum, i.e., if 
are collinear. Now, the equation of 
is
It intersects 
at (31/7, 31/7), which is the required point 
127 votes
Answer Link
127