Q90 / 160 · TS EAMCET 2021 (05 Aug Shift 1) · Mathematics
The line and a pair of lines both passing through origin forms an isosceles triangle. If this pair of lines are perpendicular, then the equation of the pair of straight lines is
- A
- Correct answerB
- C
- D
Solution
Pair of perpendicular lines passing through origin is
or
,
where

Pair of perpendicular are,
,
Hence, the correct answer is option: 'B'.