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Show that addition and multiplication are associative binary operation on R. But subtraction is not associative on R . Division is not associative on `R^(**)`

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Show that addition and multiplication are associative binary operation on R. But subtraction and division is not associative on R.

Show that subtraction and division are not binary operations on N.

What is association ?

Show that addition, subtraction and multiplication are binary operations on R, but division is not a binary operation on R. Further, show that division is a binary operation on the set R^(**) of nonzero real numbers.

KUMAR PRAKASHAN-RELATIONS AND FUNCTIONS -Textbook Illustrations for Practice Work
  1. Show that the VV: RxxR rarr R given by (a, b) rarr max {a, b} and th...

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  2. Show that + : Rxx R rarr R and xx: R xxR rarr R are commutative binar...

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  3. Show that **: RxxR rarr R defined by a^(**) b = a + 2b is not commuta...

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  4. Show that addition and multiplication are associative binary operation...

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  5. Show that ""^** : R xxR rarr R given by a^** b rarr a + 2b is not ass...

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  6. Show that zero is the identity for addition on R and 1 is the identity...

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  7. Show that -a is the inverse of a for the addition operation '+' on R...

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  8. Show that -a is not the inverse of a in N for the addition operation...

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  9. If R1 and R2 are equivalence relations in a set A, show that R(1) cap...

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  10. Let R be a relation on the set A of ordered pairs of positive integers...

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  11. Let X = {1, 2, 3, 4, 5, 6, 7, 8, 9). Let R1 be a relation in X given ...

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  12. Let f: X rarrY be a function. Define a relation R in X given by R = {...

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  13. Determine which of the following binary operations on the set R are as...

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  14. Determine which of the following binary operations on the set R are as...

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  15. Find the number of all one-one functions from set A = {1, 2, 3} to its...

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  16. Let A = {1, 2, 3} Then show that the number of relations containing (1...

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  17. Show that the number of equivalence relation in the set {1, 2, 3} cont...

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  18. Show that the number of binary operations on {1, 2} having 1 as identi...

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  19. Consider the identity function I(N) : N rarr N defined as I(N) (x) = ...

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  20. Consider a function f : [0,(pi)/2]rarrR given by f(x) = sin x and g :...

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