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  • Define a relation R on the set N of natural numbers by R = {(x, y) : y = x + 5, x is a natural number less than 4; x, y belongs to N}. Depict this relationship using roster form. Write down the domain and the range.

Q2  Define a relation R on the set N of natural numbers by R = \left \{ ( x,y ) : y = x +5 , x is a natural number less than 4 ; x , y \epsilon N \left. \right \}. Depict this relationship using roster form. Write down the domain and the range.

Answers (1)

best_answer

It is given that
R = \left \{ ( x,y ) : y = x +5 , x is a natural number less than 4 ; x , y \epsilon N \left. \right \}

As x is a natural number which is less than 4.
Therefore,
the relation in roaster form is,  R = \left \{ (1,6), (2,7), (3,8) \right \}
As Domain of R = set of all first elements of the order pairs in the relation.
Therefore,
 Domain of   R = \left \{ 1, 2, 3 \right \}

Now,
Range of R = set of all second elements of the order pairs in the relation.
Therefore,
 the range of   R = \left \{ 6, 7, 8 \right \}

Therefore,  domain and the range are \left \{ 1,2,3 \right \} \ \ and \ \ \left \{ 6, 7, 8 \right \}  respectively

Posted by

Gautam harsolia

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