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Let a line L1 : 3x+2y-6=0 intersect the ...

Let a line `L_1 : 3x+2y-6=0` intersect the x and y axes at P and Q respectively. Let another line `L_2` perpendicular to `L_1` cut the x and y axes at R and S respectively.The locus of point of intersection of the lines PS and QR is

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Let a given line L_(1) intersect the X and Y axes at P and Q respectively.Let another line L_(2) perpendicular to L_(1) cut the X and Y -axes at Rand S,respectively.Show that the locus of the point of intersection of the line PS and QR is a circle passing through the origin

A given line L_1 cut x and y-axes at P and Q respectively and has intercepts a and b/2 on x and y-axes respectively. Let another line L_2 perpendicular to L_1 cut x and y-axes at R and S respectively. Let T be the point of intersection of PS and QR . A straight line passes through the centre of locus of T . Then locus of the foot of perpendicular to it from origin is : (A) a straight line (B) a circle (C) a parabola (D) none of these

A given line L_1 cut x and y-axes at P and Q respectively and has intercepts a and b/2 on x and y-axes respectively. Let another line L_2 perpendicular to L_1 cut x and y-axes at R and S respectively. Let T be the point of intersection of PS and QR . Locus of T is a circle having centre at (A) (a, b) (B) (a, b/2) (C) (a/2, b) (D) (a/2, b/4)

A given line L_1 cut x and y-axes at P and Q respectively and has intercepts a and b/2 on x and y-axes respectively. Let another line L_2 perpendicular to L_1 cut x and y-axes at R and S respectively. Let T be the point of intersection of PS and QR . If two chords each bisected by x-axis can be drawn from (a, b/2) to the locus of T , then (A) a^2 gt 2b^2 (B) b^2 gt 2a^2 (C) a^2 lt 2b^2 (D) b^2 lt 2a^2

The line L_1-=4x+3y-12=0 intersects the x-and y-axies at Aa n dB , respectively. A variable line perpendicular to L_1 intersects the x- and the y-axis at P and Q , respectively. Then the locus of the circumcenter of triangle A B Q is (a)3x-4y+2=0 (b)4x+3y+7=0 (c)6x-8y+7=0 (d) none of these

The line x+y=1 cuts the coordinate axes at P and Q and a line perpendicular to it meet the axes in R and S. The equation to the locus of the point of intersection of the lines PS and QR is

A line L_(1) : (x)/(10)+(y)/(8)=1 intersects the coordinate axes at points A and B . Another line L_(2) perpendicular to L_(1) intersects the coordinate axes at C and D . The locus of circumcentre of Delta ABD is

Let the line (x)/(a)+(y)/(b)=1 cuts the x and y axes at A and B respectively.Now a line parallel to the given line cuts the coordinate axis at P and Q and points P and Q are joined to B and A respectively.The locus of intersection of the joning lines is

A DAS GUPTA-Coordinates and Straight Lines-EXERCISE
  1. Let a line L1 : 3x+2y-6=0 intersect the x and y axes at P and Q respec...

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  2. If a vertex of a triangle is (1,1) , and the middle points of two side...

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  3. If two vertices of a parallelogram are (3,\ 2),\ (-1,\ 0) and the ...

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  4. If a triangle has it's orthocenter at (1,1) and circumcentre (3/2,3/4)...

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  5. One end of a thin straight elastic string is fixed at A(4,-1) and the ...

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  6. Find the centroid and incentre of the triangle whose vertices are (2, ...

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  7. If the vertices of a trianglehave integral coordinates, prove that the...

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  8. Show that the equation of the locus of a point which moves so that the...

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  9. A stick of length l slides with its ends on two mutually perpendicular...

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  10. if x and y coordinates of a point P in x-y plane are given by x=(ucosa...

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  11. A straight line L is perpendicular to the line 5x-y=1 . The area of th...

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  12. Find the equation of the line passing through the point (2,3) and maki...

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  13. The equation of the straight line through the point of intersection of...

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  14. Find the points on the line x+y=4 that lies at a unit distance from th...

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  15. A line is such that its segment between the lines 5x -y+4=0 and 3x +4y...

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  16. lines L1:ax+by+c=0 and L2:lx+my+n=0 intersect at the point P and make ...

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  17. The st. lines 3x + 4y =5 and 4x-3y = 15 interrect at a point A(3,-1)....

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  18. The equations of the perpendicular bisectors of the sides A Ba n dA C ...

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  19. If (h, r) is the foot of the perpendicular from (x1, y1) to lx+my+n=0,...

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  20. Equations of two straight lines are xcos alpha + ysin alpha = p and xc...

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  21. The side AB,BC,CD and DA of a quadrilateral are x+2y=3, x=1, x-3y=4, 5...

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