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By using properties of determinants, pro...

By using properties of determinants, prove that
`|[x+4,2x,2x],[2x,x+4,2x],[2x,2x,x+4]|=(5x+4)(4-x)^2`

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A N EXCEL PUBLICATION-DETERMINANTS-QUESTION TYPE
  1. Using properties of determinants prove the following. abs[[1,1,1],...

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  2. By using properties of determinants, prove that |[x,x^2,yz],[y,y^2,zx...

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  3. By using properties of determinants, prove that |[x+4,2x,2x],[2x,x+4,...

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  4. By using properties of determinants, prove that |[y+k,y,y],[y,y+k,y],...

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  5. Prove that abs[[a-b-c,2a,2a],[2b,b-c-a,2b],[2c,2c,c-a-b]]=(a+b+c)^3

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  6. By using properties of determinants, prove that |[x+y+2z,x,y],[z,y+z+...

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  7. Using properties of determinants prove the following. abs[[1,x,x^2...

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  8. By using the properties of determinants,prove that |[1+a^2-b^2,2ab ,-...

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  9. By using the properties of determinants,prove that |[a^2+1,ab ,ac],[a...

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  10. Let A be a square matrix of order 2x2 thenabs[KA] is equal to

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  11. Which of the following is correct?

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  12. Consider a triangle whose vertices are (3,8),(-4,2) and (5,1) Find are...

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

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  14. Find the adjoint of A= [(1,2),(3,4)]

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  15. Find the adjoint of B=[[1,-1,2],[2,3,5],[-2,0,1]]

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

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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 the following A=[[1,2,3],[0,2,4],[0,0,5]]

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