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The Set A has \( 4 \) elements and the Set B has \( 5 \) elements then the number of injective mappings
that can be defined from A to B is
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that can be defined from A to B is
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The correct answer is:
\( 120 \)
Given that, \( n(A)=4 \) and \( n(B)=5 \).
Number of injective mappings that can be define from \( A \) to \( B \) is given by
\( (n(B)) !=5 !=120 \)
Number of injective mappings that can be define from \( A \) to \( B \) is given by
\( (n(B)) !=5 !=120 \)
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