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If the lines x+2ay+a=0, x+3by+b=0, x+4cy...

If the lines `x+2ay+a=0, x+3by+b=0, x+4cy+c=0` are concurrent, then a, b, c are in

A

A.P

B

G.P

C

H.P

D

A.G.P

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-STRAIGHT LINES -EXERCISE 1B
  1. If the straight lines ax+by+c=0 and x cos alpha+y sin alpha=c, enclose...

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  2. If the point of intersection of kx+4y+2=0, x-3y+5=0 lies on 2x+7y-3=0 ...

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  3. If the lines x+2ay+a=0, x+3by+b=0, x+4cy+c=0 are concurrent, then a, b...

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  4. If the lines 2x-ay+1=0, 3x-by+1=0, 4x-cy+1=0 are concurrent, then a, ...

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  5. If the lines x+ay=a=0, bx+y+b=0, cx+cy+1=0 (a,b,c being distinct and !...

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  6. The straight lines x+2y-9=0, 3x+5y-5=0, ax+by+1=0 are concurrent if th...

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  7. The equation of the line passing through the point of intersection of ...

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  8. The equation of the line passing through the point of intersection of ...

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  9. The equation of the line passing through the point of intersection of ...

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  10. The equation of the line passing through the point of intersection of ...

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  11. The equation of the line passing through the intersection of the lines...

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  12. The equation of the straight line perpendicular to 5x-2y=7 and passing...

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

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  14. The equation of the straight line perpendicular to the straight line 3...

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  15. The equation of the line passing through the point of the intersection...

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  16. The equation of the straight line passing through the intersection of...

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  17. The perpendicular distance of the straight line 7x+24y=15 from the po...

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  18. The vertical straight line passing through the point of intersection o...

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  19. The locus of the point of intersection of the lines x cos alpha+y sin ...

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  20. A variable line drawn throgh the point of intersection of the lines x/...

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