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The line 2x = 3y = -z and 6x = -y = -4z are_____________ ? parallel perpendicular intrersect at 45 0 interscet at 60 0

The line 2x = 3y = -z and 6x = -y = -4z are_____________ ?
 
  1. parallel
  2. perpendicular
  3. intrersect at 450
  4. interscet at 600

Grade:12th pass

2 Answers

Alfaz Khan
44 Points
8 years ago
It is perpendicular, bocz if u see the common ratio then the slope that is y/x in the eqn (1) is 2/3 and in eqn (2) is -6 so cant be paralle in the first case.
Then for perpendicular u have the condition that M1.M2=-1, so you can see that in eqn (1) u have 2x=3y, put this in eqn (2) , and u get 3Y1 (let the y in eqn (1) be named 1),then take the ratio if y to Y1, u get -1. Hence perpendicular
NARAYANA
242 Points
8 years ago
MY DEAR FRIEND THE LINES ARE PERPENDICULAR BECAUSE OF THE SLOPE OF THESE TWO LINES ARE -1.SO ANSWER IS PERPENDICULAR.

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