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Solution - Concept of Binary Operations

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Question

Let A = Q ✕ Q, where Q is the set of all rational numbers, and * be a binary operation defined on A by (a, b) * (c, d) =  (ac, b + ad), for all (a, b) (c, d) ∈ A.
Find
(i) the identity element in A
(ii) the invertible element of A.

(iii)and hence write the inverse of elements (5, 3) and (1/2,4)

Solution

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Reference Material

Solution for concept: Concept of Binary Operations. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)
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