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Verify -(-x)=x for x=(13)/(-15)...

Verify `-(-x)=x` for `x=(13)/(-15)`

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NCERT EXEMPLAR-RATIONAL NUMBERS -Exercise
  1. Verify -(-x)=x for x=(3)/(5)

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  2. Verify -(-x)=x for x= (-7)/(9)

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  3. Verify -(-x)=x for x=(13)/(-15)

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  4. Give one example each to show that the rational numbers are closed und...

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  5. Verify the property x + y = y + x of rational numbers by taking x=(1...

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  6. Verify the property x + y = y + x of rational numbers by taking x=(-2...

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  7. Verify the property x + y = y + x of rational numbers by taking x= (...

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  8. Verify the property x + y = y + x of rational numbers by taking x=(-...

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  9. Simplify each of the following using suitable property. (i) [ 1/2 xx 1...

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  10. Simplify each of the following by using suitable property. Also name t...

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  11. Simplify each of the following by using suitable property. Also name t...

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  12. Tell which property allows you to compute (1)/(5)xx[(5)/(6) xx (7)/(...

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  13. Verify the property x xx y = y xx x of rational numbers by using x...

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  14. Verify the property x xx y = y xx x of rational numbers by using x=...

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  15. Verify the property x xx y = y xx x of rational numbers by using x=...

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  16. Verify the property x xx y = y xx x of rational numbers by using x=...

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  17. Verify the property x xx(y xx z) = (x xx y) xx z of rational numbers ...

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  18. Verify the property x xx(y xx z) = (x xx y) xx z of rational numbers ...

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  19. Verify the property x xx(y xx z) = (x xx y) xx z of rational numbers ...

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  20. Verify the property x xx(y xx z) = (x xx y) xx z of rational numbers ...

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