A) 0
B) 2!
C) 3!
D) 0!
Correct Answer: A
Solution :
\[B=\left\{ {{b}_{1}},\,{{b}_{2}},\,{{b}_{3}} \right\},\,G=\left\{ {{g}_{1}},\,{{g}_{2}} \right\}\] Number of Injective functions = 0.
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