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Show that the reflection of the line px+...

Show that the reflection of the line `px+qy+r=0` in the line `x+y+1 =0` is the line `qx+py+(p+q-r)=0,` where `p!= -q`.

A

`x-y=p+q`

B

`x-y=p-q`

C

`x+y+1=0`

D

`x+y-1=0`

Text Solution

Verified by Experts

The correct Answer is:
C
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MCGROW HILL PUBLICATION-CARTESIAN SYSTEM OF RECTANGULAR COORDINATES AND STRAIGHT LINES -EXERCISE (LEVEL 1) SINGLE CORRECT ANSWER TYPE QUESTIONS
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