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Using determinants, show that the follow...

Using determinants, show that the following points are collinear:
(1,5),(5,5) and (-1,3)

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MODERN PUBLICATION-DETERMINANTS-EXERCISE
  1. Find area of the triangle with vertices at the point given in the fol...

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  2. Find area of the triangle with vertices at the point given in the fol...

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  3. Using determinants, show that the following points are collinear: (1...

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  4. Using determinants, show that the following points are collinear: (-...

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  5. If the point (3,-2),(x,2),(8,8) are collinear, find 'x' using determin...

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  6. if area of triangle is 35sq.unit with vertices (2,-6) (5,4) and (K,4) ...

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  7. Find the value of k’ if the area of the triangle is 4 sq. units and ve...

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

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  9. Find equation of line joining (1, 2) and (3, 6) using determinants.

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  10. Find equation of line joining (3, 1) and (9, 3) using determinants.

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

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  12. Prove that area of the trianlge whose vertices are (at1^2,2at1) , (at2...

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  13. Prove that the (a, b+c), (b, c+a) and (c, a+b) are collinear.

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  14. If the oints (a1b1),(a2b2) and (a1-a2,b1-b2) are collinear, then show ...

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  15. If (x,y) is any point on the line joining (a,0) and (0,b), show that x...

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

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  17. If Delta = {:|(1,a),(1,b)|, then minor of 'b' is ……….

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  18. Minor of 'd' in determinant {:|(a,c),(b,d)| is……….

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  19. Co-factor of 'y' in {:|(y,b),(z,c)| is………..

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  20. If Delta={:|(1,2,3),(2,0,1),(5,3,8)|, write the minor of the element a...

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