Questions
Reflection of the line in the line is
a
(x+y+1)(l+m)−2l2+m2(lx+my+n)=0
b
(x+y+1)l2+m2−2(l+m)(lx+my+n)=0
c
(l+m+1)(x+y)−2(lx+my)l2+m2=0
d
none of these
detailed solution
Correct option is B
Required line is (x+y+1)+λ(lx+my+n)=0 such that lx+my+n=0is equally inclined to x+y+1=0 and this line.Talk to our academic expert!
Similar Questions
A light ray emerging form the point source placed at P(2,3) is reflected at a point Q on the y-axis. It then passes through the point R(5,10). The coordinates of Q are
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