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A line passing through the points (a, 2a...

A line passing through the points (a, 2a) and (-2, 3) is perpendicular to the line `4x+3y+5=0`, then the value of a is

A

`18//5`

B

18

C

5

D

1

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-STRAIGHT LINES -EXERCISE 1B
  1. If 2x+ky-10=0, 5x+2y-7=0 are parallel, then the value of k =

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  2. If 3x-ky-2=0, 2x+y+2=0 are perpendicular, then the value of k =

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  3. A line passing through the points (a, 2a) and (-2, 3) is perpendicular...

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  4. The value of k such that the straight line (2x+3y+5)+k(x-7y+6)=0 is pa...

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  5. The value of k such that the line 3x+4y+5-k(x+y+3)=0 is parallel to y-...

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  6. The value of k such that the straight line 3x+14y+7+k(5x+7y+6)=0 is pe...

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  7. The value of k such that the line 2x+3y+4+k(6x-y+12)=0 is perpendicula...

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  8. The lines p(p^(2)+1)x-y+q=0 and (p^(2)+1)^(2)x+(p^(2)+1)y+2q=0 are per...

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  9. If the straight liine a(x+y-1)+b(2x-3y+1)=0 for different values of a ...

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  10. The diagonals of the parallelogrma formed by the lines a(1)x+b(1)y+c(1...

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  11. The diagonals of the parallelogram whose sides are lx+my+n=0, lx+my+n(...

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  12. The angle between the diagonals of the parallelogram formed by the lin...

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  13. The angles of the triangle formed by the lines 5x+3y-15=0, x+y-4=0, ...

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  14. The lines (a+b)x+(a-b)y=2ab, (a-b)x +(a+b)y=2ab , and x+y=0 form an is...

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  15. Show that the straight lines (a-b)x+(b-c)y=c-a,(b-c)x+(c-a)y=a-b and (...

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  16. Show that the lines x-7y-22=0, 3x+4y+9=0 and 7x+y-54=0 form a right an...

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  17. The lines 2x-y-1=0, 3x-y-7=0, 3x-2y+4=0

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  18. The straight lines 2x+3y=5 and 6x-4y+k=0, k in R are the sides of [if ...

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  19. The equation of the line passing through (1, 1) and makes an angle pi/...

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  20. The equation of a straight line passing through the point (1, 2) and i...

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