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Show that x=1 is a root of the equation:...

Show that `x=1` is a root of the equation:
`{:|(x+1,2x,-11),(2x,x+1,-4),(-3,4x-7,6)|=0`

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MODERN PUBLICATION-DETERMINANTS-EXERCISE
  1. Use properties of determinants ot evaluate: {:|(2,3,1),(4,6,2),(1,3,...

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  2. Use properties of determinants ot evaluate: {:|(2,3,5),(261,592,127)...

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  3. Show that x=1 is a root of the equation: {:|(x+1,2x,-11),(2x,x+1,-4...

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  4. If p,q,r ar in A.P. write the value of : {:|(x+1,x+2,x+2p),(x+2,x+3,...

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  5. Without expanding, prove that the following determinant vanishes. |...

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  6. Without actual expansion, prove that the following determinants vanish...

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  7. Without actual expansion, prove that the following determinants vanish...

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  8. Without actual expansion, prove that the following determinants vanish...

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  9. Without actual expansion, prove that the following determinants vanish...

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  10. Without actual expansion, prove that the following determinants vanish...

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  11. Without expanding, prove that Delta = abs{:(x+y, y + z, z+ x),(z, x ,...

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  12. Without expanding, prove that : |{:(1, bc, a(b+ c) ),(1, ca, b ( c+ a)...

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  13. Without expanding the determinant, show that : (frac{1}{a}+frac{1}{b}+...

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  14. (x+y+z) is fator of : {:|(x-y-z,2x,2x),(2y,y-z-x,2y),(2z,2z,z-x-y)|

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  15. Without expanding the determinant, prove that |[a,a^2,bc],[b,b^2,ca],[...

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  16. Evaluate the following: {:|(b+c,a,a),(b,c+a,b),(c,c,a+b)|

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  17. Evaluate |(x+lamda,x,x),(x,x+lamda,x),(x,x,x+lamda)|

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  18. Evaluate the following: {:|(1,a,b+c),(1,b,c+a),(1,c,a+b)|

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  19. Evaluate |[x,y,x+y],[y,x+y,x],[x+y,x,y]|

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  20. Evaluate |[1,x,y],[1,x+y,y],[1,x,x+y]|

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