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Relations and F...

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  • Question 1
    1 / -0

    A relation R in a set A is called universal relation, if

  • Question 2
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    A relation R in a set A is called reflexive,

  • Question 3
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    A relation R on a non-empty set A is said to be an equivalence relation if

  • Question 4
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    Let A be the set of all students of a boys school. The relation R on A is given by R = {(a, b) : a is sister of b} is

  • Question 5
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    Let L be the set of all lines in a plane and R be the relation on L defined as R = {(L1, L2): L1 is perpendicular to L2}. Then R is

  • Question 6
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    The relation R on the set Z of integers given by R = {(a, b): 2 divides a – b} ,∀ a, b ∈ Z is

  • Question 7
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    Let R be the relation defined in the set A = {1, 2, 3, 4, 5, 6, 7} by R = {(a, b) : both a and b are either odd or even}. Then R is

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