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Find the equation of the straight line passing through the points (3,-4) and (1,2) and hence ,show that the three points (3,-4) , (1,2) and (2,-1) are collinear.

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The correct Answer is:
`3x+y=5`
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CHHAYA PUBLICATION-STRAIGHT LINE-EXERCISE 2A (Short Answer Type Questions )
  1. Find the equation of the straight line passing through the points (3,-...

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  2. The vertices of a triangle are (2,-2) , (4,2) and (-1,3), Find the equ...

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  3. Find the equation of the straight line passing through the origin and...

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  4. A straight line passes through the point (3,5) and is such that the po...

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  5. A straight line passes through the point (1,2) and is such that the p...

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  6. .Find the locus of the middle point of the portion of the line-segment...

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  7. A straight line moves in such a manner that the sum of the reciprocals...

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  8. The numberical value of the area of the triangle formed by a moving li...

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  9. The points P(h,k) and Q (k,h) lie on the respective lines 6x-y=1and2x-...

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  10. The perimeter of the triangle formed by the straight line 4x+3y-k=0 w...

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  11. If a+b+c=0 for all positions of the moving line ax+by+c=0 , show that...

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  12. Show that the straight line (a+2b)x+(a-3b)y+b-a=0 always passes throu...

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  13. Show that the equation of the straight line xcosalpha+ysinalpha=p can ...

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  14. If p(1)andp(2) be the lenghts of the perpendiculars from the origin u...

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  15. Find the equation of the straight line through the point (3,2) and the...

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  16. If the straight line ax+y+6=0 passes through the point of intersecti...

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  17. Find the equation of the straight line which passes through the point ...

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  18. Find the equation of the straight line which makes intercepts on the a...

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  19. A ray of light start from P(1,2) , reflect on x-axis at A and hence p...

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  20. Find the equations to the straight lines which are at a distance of 2 ...

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