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Solve 6th sum nd plz tell how is any mapping done.like what is the rule for this mapping
Asked by lovemaan5500 | 01 Feb, 2019, 09:39: PM
{1234}
{2567}
→ mapping from A to B
={(25), (36), (47)}
f is an injective mapping.
As for every element  A there is an unique element  B
We define a mapping g:Agiven by {(22)(25)(36)(47)}
g is not an injective mapping. As the element  A is not uniquely mapped
Since (2, 2) and (2, 5) both belong to the mapping g, g is not injective.
Define a mapping B given by {(22)(53)(74)}
h is a mapping from B tA since the every ordered puts {257 B to elements in {234 A
Answered by Sneha shidid | 04 Feb, 2019, 02:08: PM
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