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Solve by cramer's rule : 3x-5y=21 5x+y...

Solve by cramer's rule : 3x-5y=21
5x+y=7

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MAHAVEER PUBLICATION-DETERMINANTS-QUESTION BANK
  1. Solve by Cramer's rule: 3x+2y=4 8x+3y=13

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  2. Solve by Cramer's rule: 3x-2y=4 x-4y=-2

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  3. Solve by cramer's rule : 3x-5y=21 5x+y=7

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  4. Solve by cramer's rule : x+y+z=3 2x-y+3z=4 x+2y-z=2

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  5. Evaluate the determinates abs([2,3],[1,7])

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  6. Evaluate the determinates abs([-costheta,-sin theta],[sintheta,-costhe...

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  7. Evaluate the determinatesabs([3,-4,5],[1,1,-2],[2,3,1])

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  8. Evaluate the determinates abs([2,-1,-2],[0,2,-1],[3,-5,0])

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  9. Find the value of x is abs([3,x],[x,1])=abs([3,2],[4,1])

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  10. Find the value of x is abs([2,3],[4,5])=abs([x,3],[2x,5])

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  11. Using the property of determinants and without expanding prove that ab...

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

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

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  14. Using the property of determinants and without expanding prove that ab...

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

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  16. Using the property of determinants and without expanding prove that ab...

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  17. Find the minors and cofactors of the elements of the following determi...

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  18. Find the minors and cofactors of the elements of the following determi...

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  19. Find the minors and cofactors of the elements of the following determi...

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  20. Find the minors and cofactors of the elements of the following determi...

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