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NDA | Mathematics | Straight Line

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Question 1

The line parallel to the  and passing through the intersection of the lines  and , where  , is

Question 2

The straight lines of the family  ( being parameters) are

Question 3

If the foot of the perpendicular from the origin to a straight line is at point . Then the equation of the line is

Question 4

If the axes are rotated through an angle of  in the clockwise direction, the coordinates of a point in the new system are , then its original coordinates are

Question 5

If one of the lines represented by the equation  is a bisector of the angle between the lines , then  ?
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Apr 26NDA