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if ** is the binary operation on N given...

if `**` is the binary operation on N given by `a**b`= L. C. M of a and b. Find `20**16`. Is `**` Associative.

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if ** is the binary operation on N given by a**b = L. C. M of a and b. Find 20**16 . Is ** Commutative.

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SHARAM PUBLICATION-RELATIONS AND FUNCTIONS-EXAMPLE
  1. If ** is a binary operation on set Q of rational numbers such tht a**b...

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  2. if ** is the binary operation on N given by a**b= L. C. M of a and b. ...

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  3. if ** is the binary operation on N given by a**b= L. C. M of a and b. ...

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  4. Prove that f:X to Y is injective iff for all subsets A, B of X, f (A c...

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  6. Prove that f:X rarr Y is surjective iff for all B sube Y, f(f^(-1)(B))...

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  7. Prove that for any f:X rarr Y , f o idx = f =idY of.

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  9. Let f:XrarrY. If there exists a map g:YrarrX such that g of=idxand fo ...

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  10. If ff(x)=cos[pi^2]x+cos[-pi^2]x where [x] stands for the greatest inte...

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  17. Show that the inverse of a bijective is also a bijection.

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  18. Let f={(1,a),(2,b),(3,c),(4,d)} and g={(a,x),(b,x),(c,y),(d,x)} Determ...

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