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The real value of a for which the value of `m` satisfying the equation `(a^2-1)m^2-(2a-3)m+a=0` given the slope of a line parallel to the y-axis is(a) `3/2` (b) 0 (c) 1 (d) `+-1`

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CENGAGE ENGLISH-STRAIGHT LINES-All Questions
  1. The foot of the perpendicular on the line 3x+y=lambda drawn from the o...

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  2. Two consecutive sides of a parallelogram are 4x+5y=0 and 7x+2y=0 . If ...

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  3. The real value of a for which the value of m satisfying the equation (...

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  4. If one of the sides of a square is 3x-4y-12 = 0 and the center is (0,0...

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  5. If the quadrilateral formed by the lines a x+b y+c=0,a^(prime)x+b^(pri...

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  6. The vertex P of an equilateral triangle trianglePQR is at (2,3) and th...

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  7. The straight lines 7x-2y+10=0 and 7x+2y-10=0 form an isosceles triangl...

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  8. Find the least value of (x-2)^2+(y-2)^2 under the condition 3x+4y-2=0.

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  9. theta1 and theta2 are the inclination of lines L1a n dL2 with the x-ax...

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  10. Find the least and greatest values of the distance of the point (costh...

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  11. A light ray coming along the line 3x+4y=5 gets reflected from the lin...

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  12. Prove that the product of the lengths of the perpendiculars drawn f...

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  13. Line a x+b y+p=0 makes angle pi/4 with xcosalpha+ysinalpha=p ,p in ...

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  14. Two sides of a square lie on the lines x+y=1a n dx+y+2=0. What is its ...

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  15. A line is drawn perpendicular to line y=5x , meeting the coordinate ax...

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  16. Find the coordinates of a point on x+y+3=0, whose distance from x+2y+2...

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  17. If x-2y+4=0 and 2x+y-5=0 are the sides of an isosceles triangle having...

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  18. If p is the length of perpendicular from the origin to the line who...

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  19. The number of values of a for which the lines 2x+y-1=0 , a x+3y-3=0, a...

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  20. The center of a square is at the origin and its one vertex is A(2,1). ...

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