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# If f:$A \to B$ is a bijective function and if n(A) = 5, then n(B) is equal to(A). 10(B). 4(C). 5(D). 25.

Last updated date: 21st Jun 2024
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Hint: Before attempting this question, one should have prior knowledge about the bijective functions and also remember functions which are one-one and onto are bijective functions, use this information to approach the solution of the question.

According to the given information we have a function f:$A \to B$ is a bijective function where n(A) = 5
Note: In the above solution we came across the term “function” which can be explained as relation between the provided inputs and the outputs of the given inputs such that each input is directly related to the one output. The representation of a function is given by supposing if there is a function “f” that belongs from X to Y then the function is represented by $f:X \to Y$examples of function are one-one functions, onto functions, bijective functions, trigonometric function, binary function, etc.