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1

Find the values of a and b, when:

(i) (a + 3, b –2) = (5, 1)

(ii) (a + b, 2b – 3) = (4, –5)

(iv) (a – 2, 2b + 1 = (b – 1, a + 2)

2

Find the domain and range of each of the relations given below:

(i) R = {(–1, 1), (1, 1), (–2, 4), (2, 4), (2, 4), (3, 9)}

(iii) R ={(x, y) : x + 2y = 8 and x, y ϵ N}

(iv) R = {(x, y), : y = |x – 1|, x ϵ Z and |x| ≤ 3}

12

(i) R = {(1, 2), (1, 3), (2, 3), (3, 2), (4, 5)}

(ii) R = {(x, y) : x, y ϵ N, x + 2y = 8}.