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Are the following relations true? If not...

Are the following relations true? If not, illustrate with examples.
`(a-b)+b =a`

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ASHOK PUBLICATION ASSAM-Rational Numbers-EXAMPLE
  1. Are the following relations true? If not, illustrate with examples. ...

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  2. Are the following relations true? If not, illustrate with examples. ...

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  3. Are the following relations true? If not, illustrate with examples. ...

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  4. Are the following relations true? If not, illustrate with examples. ...

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  5. Carry out the operation of addition using additive inverse: 79 + -47

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  6. Carry out the operation of addition using additive inverse: -19 + 13

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  7. Carry out the operation of addition using additive inverse: 434 + -2...

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  8. Carry out the operation of addition using additive inverse: 99 + -99...

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  9. Is the set A = {-2, -4, -6, -8,…………..} closed, under addition

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  10. Is the set A = {-2, -4, -6, -8,…………..} closed, under subtraction

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  11. Is the set A = {-2, -4, -6, -8,…………..} closed, under multiplication?...

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  12. Examine which of the following are rationals and which are not: frac...

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  13. Examine which of the following are rationals and which are not: frac...

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  14. Examine which of the following are rationals and which are not: -fra...

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  15. Examine which of the following are rationals and which are not: frac...

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  16. Examine which of the following are rationals and which are not: frac...

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  17. Examine if the following are rationals or not: frac(sqrt4)(sqrt36)

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  18. Examine which of the following are rationals and which are not: 1.3

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  19. Examine which of the following are rationals and which are not: 7.77...

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  20. Examine which of the following are rationals and which are not: 1.14...

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