Show that the reflection of the line `a x+b y+c=0` on the line `x+y+1=0` is the line `b+a y+(a+b-c)=0` where `a!=bdot`

Show that the reflection of the line a x+b y+c=0 on the line x+y+1=0 is the line bx+a y+(a+b-c)=0 where a!=bdot

Show that the reflection of the line a x+b y+c=0 on the line x+y+1=0 is the line bx+a y+(a+b-c)=0 where a!=bdot

Show that the reflection of the line ax+by+c=0 on the line x+y+1=0 is the line b+ay+(a+b-c)=0 where a!=b.

Reflection of the line x+y+1=0 in the line.

If the reflection of 2x+y-1=0 about the line x+y+3=0, is ax+by+10=0 then b is equal to

The condition on a and b , such that the portion of the line a x+b y-1=0 intercepted between the lines a x+y=0 and x+b y=0 subtends a right angle at the origin, is (a) a=b (b) a+b=0 (c) a=2b (d) 2a=b

Write the area of the figure formed by the lines a|x|+b|y|+c=0

The area of the quadrilateral formed by the lines a|x|+b|y|+c=0 is

Write the area of the figure formed by the lines a|x|+b|y|+c=0.

If the line a x+b y+c=0 is a normal to the curve x y=1, then (a) a >0,b >0 (b) a >0,b >0 (d) a 0