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A straight lines L through the origin me...

A straight lines L through the origin meets the lines x+y=1 and x+y=3 at P and Q respectively. Through P and Q two straight lines `L_1` and `L_2` are drawn, parallel to 2x-y=5 and 3x+y=5 respectively. Line `L_1` and `L_2` intersect at R. Show that the locus of R as L varies is a straight line.

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CENGAGE PUBLICATION-STRAIGHT LINES-All Questions
  1. A straight line through the origin 'O' meets the parallel lines 4x +2y...

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  2. A straight line L with negative slope passes through the point (8,2) a...

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  3. A straight lines L through the origin meets the lines x+y=1 and x+y=3 ...

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  4. A rectangle PQRS has its side PQ parallel to the line y= mx and verti...

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  5. The area of the triangle formed by the intersection of a line parallel...

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  6. The lines ax + by + c = 0, where 3a + 2b + 4c= 0, are concurrent at th...

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  7. The area enclosed within the curve |x|+|y|=1 is

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  8. The orthocentre of the triangle formed by the lines x+y=1,2x+3y=6and 4...

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  9. If a , b and c are in A P , then the straight line a x+b y+c=0 will al...

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  10. Statement-l: If the diagonals of the quadrilateral formed by the lines...

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  11. Statement :Two different lines can be drawn passing through two given ...

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  12. Statement 1: The joint equation of lines y=xa n dy=-x is y^2=-x^2, i.e...

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  13. Statement 1: If the sum of algebraic distances from point A(1,1),B(...

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  14. Each question has four choice: a, b, c and d, out of which only one is...

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  15. Statement 1:If the point (2a-5,a^2) is on the same side of the line x+...

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  16. Statement 1: Each point on the line y-x+12=0 is equidistant from the l...

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  17. If lines p x+q y+r=0,q x+r y+p=0 and r x+p y+q=0 are concurrent, the...

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  18. the diagonals of the parallelogram formed by the the lines a1x+b1y+c1=...

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  19. If the lines joining the origin and the point of intersection of curve...

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  20. Find the angle between the lines joining the origin to the points of i...

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