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If area of triangle is 35 sq. units with...

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

A

12

B

-2

C

-12,-2

D

12,-2

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The correct Answer is:
D
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V PUBLICATION-DETERMINANT-QUESTION BANK
  1. Find the values of k if area of triangle is 4 sq. units and vertices a...

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

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

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  4. Find the minor of 1 in the determinant Delta=|[3, 4, 5 ],[2, 7, 1]...

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  5. Find minors of element 6 in the determinant Delta=|[ 1, 2, 3],[ 4, ...

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  6. Find minors and cofactors of the elements of the determinant |[1 , -2]...

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  7. Find minors and cofactors of the elements a(11), a(21) in the determin...

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  8. Find minors and cofactors of the elements of the determinant |[2, -3,...

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  9. Write Minors and Cofactors of the elements of following determinants: ...

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  10. Using cofactors of element of second row evaluate Delta=|[5, 3, 8],[...

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  11. Using co-factors of elements of third column, evaluate Delta=|[1, x,...

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  12. If Delta=|[a(11), a(12 ), a(13)], [a(21), a(22), a(23)],[ a(31) , a...

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  13. If A=[[2, 3],[ 1, -4]] and B=[[1, -2],[ -1, 3]], then verify tha...

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  14. Show that the matrix A=[[2, 3],[ 1, 2]] Satisfies the equation A^2-...

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  15. Find the adjoint of each of the matrices [[1 , 2],[ 3, 4]]

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  16. Find the adjoint of the matrix [[1 , -1, 2],[ 2, 3, 5],[ -2, 0, ...

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  17. Verify A (adj A)=(adj A)A=|A|I in the following matrices. [[2,3],[-4,-...

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  18. Find the inverse of the following matrics. [[2,-2],[4,3]]

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  19. Find the inverse of the following matrics. [[-1,5],[-3,2]]

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  20. Find the inverse of each of the matrices [[1, 2, 3],[ 0, 2, 4],[...

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