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By using properties of determinants, sh...

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

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Prove that: |[x+4,2x,2x],[2x,x+4,2x],[2x,2x,x+4]|=(5x+4)(4-x)^2 .

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PSEB-DETERMINANTS-Exercise
  1. By using properties of determinants, show that : |[1,a,a^2],[1,b,b^2]...

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

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

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  4. Prove that: |[x,x^2,yz],[y,y^2,zx],[z,z^2,xy]|=(x-y)(y-z)(z-x)(xy+yz+z...

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  5. Prove that : |[y+k,y,y],[y,y+k,y],[y,y,y+k]|=k^2(3y+k).

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  6. Show that: |[a-b-c,2a,2a],[2b,b-c-a,2b],[2c,2c,c-a-b]|=(a+b+c)^3

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  7. By using properties of determinants, show that : |[x+y+2z,x,y],[z,y+...

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  8. By using properties of determinants, show that : |[1,x,x^2],[x^2,1,x...

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  9. Using the properties of determinant, show that :|[a^2+1,ab,ac],[ab,b^2...

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  10. Let A be a square matrix of order 3 xx 3. Then I kA I is equal to :

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  11. Which of the following is correct

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  12. Find area of the triangle with vertices at the point given in the fol...

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  13. Find area of the triangle with vertices at the point given in the fol...

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  14. Find area of the triangle with vertices at the point given in the fol...

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  15. Show that points A(a,b+c),B(b,c+a) ਅਤੇ C(c,a+b) are collinear.

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  16. Find the value of k if the area of the triangle is 4 sq. units whose v...

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  17. If area of triangle is 4 sq. units with vertices (-2, 0), (0, 4) and (...

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

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  19. Find equation of line joining (3, 1) and (9, 3) using determinants.

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

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