Final answer:
In the provided relation, the number 6 is the image of the element 3 from set A, hence it is not the object of any element in set A within this specific context.
Step-by-step explanation:
The question asks us to express the object of 6 in the relation between set A = (3, 4, 5) and set B = (6, 8, 10, 12) with ordered pairs ((3,6), (4, 8), (5, 10)). The phrasing of the question seems to be a bit off as it refers to the 'object of 6', which could be interpreted to mean what 6 corresponds to within the context of a function or relation. However, for the given pairs, 6 is part of the second element of the ordered pair with 3 (i.e., (3,6)). Therefore, in context, 6 is not the object to any element of set A in this relation, as 6 is already the image of 3 in this specific relation.