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Show that if A= { 1,2,3} and R ={(1,1),...

Show that if A= { 1,2,3} and R ={(1,1),(2,2),(3,3) (1,2),(2,1),(2,3),(1,3) is an equivalence relation.

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MODERN PUBLICATION-RELATIONS AND FUNCTION-EXAMPLE
  1. Let f : R to R be the signum function defined as f(x) = {{:(1, x gt 0...

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  2. Number of binary operations on theset (a,b) is

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  3. Show that if A= { 1,2,3} and R ={(1,1),(2,2),(3,3) (1,2),(2,1),(2,3),...

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  4. Let R be the quivalence relation in the set Z of integerx given by: R ...

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  5. If A = {1,2,3} and f,g are relations corresponding to the subset of A ...

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  6. On the set N of all natural numbers, a relation R is defined as follow...

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  7. Show that the function f : R rarr R defined by : f(x) = x/(x^2+1) AA ...

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  8. Let A = (0,1,2,3) and define a relation R on A as follows R = (0,0),(0...

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  9. Let A = (1,2,3,……….,9) and R be the relation in AxxA defined by (a,b) ...

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  10. If f = (5,2),(6,3), g = (2,5),(3,6), write fog.

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  11. Let f : R rarr R be defined by f(x) = x^2 +1 Find the pre-image of 17

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  12. Let f : R rarr R be defined by f(x) = x^2 +1 Find the pre-image of -3

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  13. let the function : f R rarr R to be defined by f(x) = cos x for all x ...

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  14. Let A = R - (3), B = R = (1). Let f: A rarr B be defined by: f(x) = (x...

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  15. Let '*' be the binary operation on Q. Find which of the following bina...

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  16. Let '*' be the binary operation on Q. Find which of the following bina...

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  17. Let '*' be the binary operation on Q. Find which of the following bina...

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  18. Let '*' be the binary operation on Q. Find which of the following bina...

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  19. Let '*' be the binary operation defined on R by a*b = 1 + ab AA a,binR...

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  20. Let '*' be the binary operation defined on R by a*b = 1 + ab AA a,binR...

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