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Find area of the triangle with vertices ...

Find area of the triangle with vertices at the point given in the following : `(2,7),(1,1),(10,8)`

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PRADEEP PUBLICATION-DETERMINANTS-EXERCISE
  1. Which of the following is correct

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

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

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

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  5. Show that points : A (a,b+c),B(b,c+a),C(c,a+b) are collinear.

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  6. Find the value of k if the area of the triangle is 4 sq. units whose v...

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

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

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

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  11. Write Minors and Cofactors of the elements of following determinant : ...

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  12. Write Minors and Cofactors of the elements of following determinant : ...

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  13. Write Minors and Cofactors of the elements of following determinant : ...

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  14. Write Minors and Cofactors of the elements of following determinant : ...

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  15. Using Cofactors of elements of second row, evaluate triangle = |[5,3,8...

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  16. Using Cofactors of elements of third column, evaluate triangle - |[1,x...

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  17. Delta=|(a(11),a(12),a(13)),(a(21),a(22),a(23)),(a(31),a(32),a(33))| an...

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  18. Find adjoint of the matrix: [[1,2],[3,4]

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  19. Find the adjoint of the following matrices: {:[(1,-1,2),(2,3,5),(-2,...

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  20. Verify A(adj A) = (adj A).A = |A|.I :[[2,3],[-4,-6]]

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