Question

The angle between the lines 3x-y+5=0,x+3y-2=0

Answer 1

Here given lines are perpendicular to each other. I.e.angle between them is 90°
We can say two lines are perpendicular if they are of form aX+bY+c=0 and bX-aY+k=0
....Where c,k are constants.....
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