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(i) Find the equation of line joining (1...

(i) Find the equation of line joining (1,2) and (3,4) using determinants,
(ii) Find the equation of the line joining (3,1) and (9,3) using determinants.

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The correct Answer is:
`x=3y`
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MODERN PUBLICATION-DETERMINANTS-Exercise 4(d) (LONG ANSWER TYPE QUESTIONS)
  1. Find the area of the triangle with vertices at the points given in eac...

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  2. Using determinants , show that the following points are collinear : ...

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  3. Use determinants to show that the following points are collinear. (i...

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  4. If the points (3, -2), (x ,\ 2) and (8 ,8) are collinear, find x us...

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  5. If the area of triangle is 35sq.units with vertices (2,-6), (5,4) and ...

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  6. If area of DeltaABC is 12 square units and vertices are A(x,2), B(4,-1...

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  7. Find the values of 'k' if area of the triangle is 4 square unts and ve...

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  8. Find the values of k if area of triangle is 4 sq. units and vertices a...

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  9. Determine the value of 'x' for which the area of the triangle formed b...

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  10. Find the equation of the line joining the following points, using dete...

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  11. (i) Find the equation of line joining (1,2) and (3,4) using determinan...

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  12. Find the equation of the line joining A( 1,3) and B (0,0) using det...

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  13. Prove that the area of the triangle whose vertices are : (at(1)^(2),...

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  14. Show that pointsA (a , b + c), B (b , c + a), C (c , a + b)are collin...

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  15. If the points (a(1),b(1))m(a(2),b(2))" and " (a(1)-a(2),b(2)-b(2)) are...

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  16. If P(x , y) is any point on the line joining the point A(a ,0)a n dB(0...

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  17. An equilateral triangle has each side to a. If the coordinates of its ...

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