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Show that the VV: RxxR rarr R given by (...

Show that the `VV: RxxR rarr R` given by `(a, b) rarr ` max {a, b} and the `^^: RxxR rarr R` given by `(a, b) rarr` min {a, b} are binary operations.

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Show that ** :Rxx R rarr R given by (a, b) rarr a + 4b^(2) is a binary operation.

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

Show that the function f : R rarr R given by f(x) =x^(3) is injective.

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

Prove that the function f :R rarr R , given by f(x) = 2x, is one-one and onto.

If f : R rarr R be given by f(x) = tan x , then f^(-1)(1) is .......

Show that + : Rxx R rarr R and xx: R xxR rarr R are commutative binary operations, but -: Rxx R rarr R and divid: R^(**)xxR^(**)rarrR^(**) are not commutative.

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KUMAR PRAKASHAN-RELATIONS AND FUNCTIONS -Textbook Illustrations for Practice Work
  1. Show that ** :Rxx R rarr R given by (a, b) rarr a + 4b^(2) is a bina...

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  2. Let P be the set of all subsets of a given set X. Show that cup: P xxP...

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  3. Show that the VV: RxxR rarr R given by (a, b) rarr max {a, b} and th...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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