Condition for Two Lines to Be Perpendicular
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Q. The equation of the line which passes through the point (1, −2) and cuts off equal intercept from the axes is
- x+y=1
- x−y=1
- x+y+1=0
- x−y−2=0
Q. Find the coordinates of the foot of perpendicular and length of the perpendicular drawn from the point P(5, 4, 2) to the line x+12=y−33=z−1−1 also find the image of the point
Q. In Fig., two circles intersect each other at points P and Q. From A on line PQ, secant AMD for one circle and secant ASR for the second one are drawn. If AM=3, MD=5 and AS=4, determine SR.
![375374.jpg](https://search-static.byjusweb.com/question-images/toppr_ext/questions/375374.jpg)
![375374.jpg](https://search-static.byjusweb.com/question-images/toppr_ext/questions/375374.jpg)
- 2 cm
- 3 cm
- 4 cm
- 1 cm
Q. The lines representing the linear equations 2x−y−3 and 4x−y=5
- intersect at a point
- are parallel
- are coindicent
- intersect at exactly two points