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If A=[[1,1,5],[0,1,3],[0,-1,-2]] what ...

If `A=[[1,1,5],[0,1,3],[0,-1,-2]]`
what is the value of `abs[3A]`?

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MAXIMUM PUBLICATION-DETERMINANTS-EXAMPLE
  1. Consider the matrix A=[[a,b,c],[b,c,a],[c,a,b]] show that abs[A]=-(a...

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  2. Consider the matrix A=[[a,b,c],[b,c,a],[c,a,b]] Find Axxadj(A) if a=...

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  3. If A=[[1,1,5],[0,1,3],[0,-1,-2]] what is the value of abs[3A]?

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  4. Find the equation of the line joining the points(1,2) and (-3,-2) us...

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  5. Show that abs[[1,a,a^2],[1,b,b^2],[1,c,c^2]]=(a-b)(b-c)(c-a)

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  6. Consider the following system of linear equations, x+y+z=6,x-y+z=2, ...

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  7. Consider the following system of linear equations, x+y+z=6,x-y+z=2, ...

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  8. Consider the following system of linear equations, x+y+z=6,x-y+z=2, ...

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  9. If abs[[x,3],[5,2]]=5,then x=…..

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  10. Prove that abs[[y+k,y,y],[y,y+k,y],[y,y,y+k]]=k^2(3y+k)

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  11. Solve the following system of linear Equations,using matrix method, ...

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  12. Let B is a square matrix of order 5, then abs[kB] is equal to….

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  13. Prove that abs[[1,x,x^2],[1,y,y^2],[1,z,z^2]]=(x-y)(y-z)(z-x)

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  14. Check the consistency of the following equations, 2x+3y+z=6,x+2y-z...

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  15. Find the values of x in which abs[[3,x],[x,1]]=abs[[3,2],[4,1]]

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  16. Using the property of determinants,show that the points A(a,b+c),B(b...

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  17. Examine the consistency of system of following equations: 5x-6y+4z...

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  18. Consider a system of linear equations which is given below, 2/x+3/y+10...

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  19. Consider a system of linear equations which is given below, 2/x+...

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  20. Consider a system of linear equations which is given below, 2/x+3/...

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