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

Evaluate `|[x,y,x+y],[y,x+y,x],[x+y,x,y]|`

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Prove that : |[x+y+z,-z,-y],[-z, x+y+z, -x],[-y,-x,x+y+z]|= 2(x+y)(y+z)(z+x)

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MODERN PUBLICATION-DETERMINANTS-EXERCISE
  1. Evaluate |(x+lamda,x,x),(x,x+lamda,x),(x,x,x+lamda)|

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

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

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

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  5. Using the property of determinants and without expanding , prove that:...

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  6. Using the property of determinants and without expanding , prove that:...

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  7. Without expanding, prove the following |(x+4,x,x),(x,x+4,x),(x,x,x+...

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  8. using properties of determinant, prove that abs{:(y+k , y , y ),(y , y...

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  9. Prove that: {:|(x,y,x+y),(y,x+y,x),(x+y,x,y)| = -2(x^3+y^3)

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  10. By using properties of determinants, show that : |[1,a,a^2],[1,b,b^2]...

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  11. Prove that: {:|(a,b-c,c+b),(a+c,b,c-a),(a-b,b+a,)|=(a+b)+c)(a^2+b^2+...

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  12. Prove that: {:|(1,a,a),(a,1,a),(a,a,1)|= (2a+1),(1-a)^2

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  13. Prove that: {:|(1,x,x^3),(1,y,y^3),(1,z,z^3)| = (x-y)(y-z)(z-x)(x+y+...

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  14. Prove that: {:|(1,1,1),(a,b,c),(bc,ca,ab)| = (a-b)(b-c)(c-a)

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  15. Prove that: {:|(1,a,bc),(1,b,ca),(1,c,ab)|=(a-b)(b-c)(c-a)

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  16. Prove that: {:|(bc,a,1),(ca,b,1),(ab,c,1)| = (a-b)(b-c)(a-c)

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  17. Without expanding, prove the following |(a,b,c),(a^2,b^2,c^2),(bc,c...

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  18. Prove that: {:|(a^2,a,b+c),(b^2,b,c+a),(c^2,c,ab)| = -(a+b+c)(a-b)(b...

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  19. Prove that: {:|(b+c,a-b,a),(c+a,b-c,b),(a+b,c-a,c)|=3abc -a^3-b^3-c^...

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  20. Prove that |{:(b^(2)+c^(2),ab,ac),(ab,c^(2)+a^(2),bc),(ac,bc,a^(2)+b...

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