Explain one to one function and bijective function .

Explain one to one function and bijective function . A • and to ve One - and Onto). If a one-to-one and onto. then f is said 10 a bijec- rive For example an i&nt'ty function i, A A by i, = is trivially a Njective function The function f; I-e. zf21 I-I. II defined by sin is • bijective functiorv The function f: R *6md by tM x is also a bl'ecuve function. If A and B are finite sets and f: A —i B is a bijecti(H1 then z n/ B If = n. then the nurr&rof from A to B the total nurntrr of arrangenrnts of n iLems taken an at a time which is n! grap

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