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Find the value of (x-y), if 2x-5y=5,5x-8...

Find the value of (x-y), if 2x-5y=5,5x-8y=14

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NAVNEET PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. Find the value of (x-y) , if 5x+4y=14,4x+5y=13

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  2. Find the value of (x-y) , if 3x+4y=11,4x+3y=10

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  3. Find the value of (x-y), if 2x-5y=5,5x-8y=14

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  4. Find the value of the determinant [[5,0],[0,4]]

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  5. Find the value of the determinant [[0,-5],[0,4]]

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  6. For certain simultaneous equations in x and y, if Dx =2 and D=4 ,DY=...

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  7. For certain simultaneous equations in x and y, if Dx =18 and D=-3,DY...

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  8. Express the following information in mathematical form using variables...

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  9. Express the following information in mathematical form using variables...

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  10. Express the following information in mathematical form using variables...

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  11. Express the following information in mathematical form using variables...

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  12. Decide whether (0,2) is the solution of the equation 5x+3y=6 or not.

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  13. If Dx =24 ,x=-3, find the value of D.

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  14. Write the equation a/4+b/3=4 in the standard form.

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  15. Find the values of the following determinants: [[-3,8],[6,0]]

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  16. Find the values of the following determinants: [[1/2,3/2],[1/5,2]]

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  17. Find the values of the following determinants: [[sqrt2,-2sqrt3],[3sqr...

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  18. Find the values of the following determinants: [[3,8],[-4,-10]]

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  19. For certain simultaneous equations in variables x and y, if Dx =12, D...

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  20. For certain simultaneous equations in variables x and y, if Dy =6, D...

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