Let R = {(x, x2) : x is a prime number less than 10}.

(i) Write R in roster form.

(ii) Find dom (R) and range (R).

Asked by Aaryan | 3 months ago |  55

1 Answer

Solution :-

(i) {(x, x2) : x is a prime number less than 10}. Roster form: R = {(1, 1), (2, 4), (3, 9), (5, 25), (7, 49)}

(ii) The domain of R is the set of first co-ordinates of R

Dom(R) = {1, 2, 3, 5, 7}

The range of R is the set of second co-ordinates of R

Range(R) = {1, 4, 9, 25, 49}

Answered by Sakshi | 3 months ago

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