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Let ast be a binary operation on N defin...

Let `ast` be a binary operation on N defined by `aastb=HCF` of a and b
Is `ast` commutative?

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A N EXCEL PUBLICATION-RELATIONS AND FUNCTIONS-QUESTION BANK
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  2. Consider an operation ** defined on the set A={1,2,4,8} by a**b=LCM ...

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  3. Let ast be a binary operation on N defined by aastb=HCF of a and b I...

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  4. Let ** be a binary operation on the set Q of rational numbers as follo...

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  5. Let ** be a binary operation on the set Q of rational numbers as follo...

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  6. Let ** be a binary operation on the set Q of rational numbers as follo...

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  7. Let ** be a binary operation on the set Q of rational numbers as follo...

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  8. Consider the binary operation ast on the set R of real numbers, define...

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  9. Determine whether or not each of the definitions of ** given below giv...

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  10. Find which of the following of the operations given above has identity...

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  11. Find which of the following of the operations given above has identity...

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  12. Find which of the following of the operations given above has identity...

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  13. Find which of the following of the operations given above has identity...

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  14. Let ** be a binary operation on the set Z of integers as a**b=a+b+1. T...

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  15. Let A=NtimesN and ast be a binary operation on A defined by (a,b)...

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  16. State whether the following statements are true or false. Justify For...

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  17. State whether the following statements are true or false. Justify If ...

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  20. Let f:WrarrW be defined as f(n) = n-1 if n is odd and f(n) = n+1 if...

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