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If A xx B = {(a, x), (a, y), (b, x), b, ...

If `A xx B = {(a, x), (a, y), (b, x), b, y)}`, then A is equal to

A

{a, x}

B

{b, y}

C

{a, b}

D

{b, x}

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-RELATIONS AND FUNCTIONS -Assignment (Section - A) Objective Type Questions (one option is correct)
  1. If (x-2, y + 5) = (-2 , (1)/(3)) are two equal ordered pairs, then x i...

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  2. If A xx B = {(a, x), (a, y), (b, x), b, y)}, then A is equal to

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  3. If P = {2, 3}, then P xx P is equal to

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  4. Let A = {2, 5, 7,9} and B = {a, b, c}, then n(A xx B) is equal to

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  5. If A = {4, 8} and B ={p, q, r}, then A xx B is equal to

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  6. If A = {2, 3, 7, 9} and n(A xx B) = 12, then the number of elements i...

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  7. If A = {5, 7, 8} and B = {9, 11}, then

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  8. If A and B are any two sets, then

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  9. The relation R from A to B is given as R = {(1, 2), (2, 5), ((1)/(2), ...

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  10. The relation R from A to B is given as R = {(5, 3), (2, 7), (8, 5)}. T...

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  11. Let R be relation from a set A to a set B, then (1)R= AuuB (2)R=AnnB (...

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  12. If A = {2, 4, 6}, then domain of the relation R defined on A is

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  13. Number of relations that can be defined on the set A = {a, b, c} is

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  14. If A and B are two sets such that A xx B = phi, then which of the foll...

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  15. If A = {-1, 1}, then A xx A is equal to

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  16. If A = {x(!) , y(1), z(1)} and B = {x(2), y(2)}, then the number of re...

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  17. If f is a function such that f(0) = 2, f(1) = 3, f(x+2) = 2f(x) - f(x ...

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  18. If f(x) = (x-1)/(x+1), then f(2) is equal to

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  19. If f(x+4) = x^(2) - 1, then f(x) is equal to

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  20. Let X be any non-empty set containing n elements, then the number of r...

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