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

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

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NAVNEET PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. Express the following information in mathematical form using variables...

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

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

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

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

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

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

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

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

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

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  11. For certain simultaneous equations in variables x and y, if Dx =25, ...

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

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

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

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

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  16. Write one solution of the equation 2x-y+1=0.

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  17. Find the value of y in the equation 2x+y=7, if x=2. Find x if y =-1.

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  18. Solve the simultaneous equations 4x+3y=11,3x+4y=10

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  19. If |[[4,5],[m,3]]|=22 then find the value of m.

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  20. Find the values of Dx and Dy to solve the simultaneous equations 3x-4...

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