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Evaluate the following determinants: |...

Evaluate the following determinants:
`|(1,3,9),(3,9,1),(9,1,3)|`

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PRADEEP PUBLICATION-DETERMINANTS-EXERCISE
  1. Find x if det A = 0 where A = [(x+1,-3,4),(-5,x+2,2),(4,1,x-6)]

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  2. Prove that the determinant |[x,sintheta,costheta],[-sintheta,-x,1],[co...

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  3. Evaluate the following determinants: |(1,3,9),(3,9,1),(9,1,3)|

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  4. Evaluate the following determinants: |(2,3,7),(13,17,5),(15,20,12)|

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  5. Evaluate the following determinants: |(102,18,36),(1,3,4),(17,3,6)|

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  6. Evaluate the following determinants: |(1,-3,3),(4,-1,3),(3,5,3)|

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  7. Evaluate the following determinants: |(219,117,345),(19,9,34),(7,3,5...

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  8. Evaluate the following determinants : {:|(0,2,0),(2,3,4),(4,5,6)|

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  9. Evaluate the following determinant|(2,-1,0,1),(-3,0,1,-2),(1,1,-1,1),(...

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  10. Evaluate the determinant |(1^2, 2^2, 3^2,4^2),(2^2,3^2,4^2,5^2),(3^2,4...

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  11. Without expanding, prove that |(6,2,3),(9,3,5),(12,4,7) = 0

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  12. Use properties of determinants ot evaluate: {:|(x+y,y+z,z+x),(z,x,y)...

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  13. Evaluate the following determinants: |(0,c,b),(c,0,a),(-b,-a,0)|

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  14. By using determinants, find the area of the triangle whose vertices ar...

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  15. By using determinants, find the area of the triangle whose vertices ar...

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  16. Find the area of the triangle whose vertices are (-2, -3), (3, 2) and ...

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  17. By using determinants, find the area of the triangle whose vertices ar...

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  18. By using determinants, find the area of the triangle whose vertices ar...

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  19. Find the value of 'x' if the area of triangle is 35 square cm. With ve...

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  20. With the help of determinants, prove that the following points are col...

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