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Number of One-to-One Functions | Counting | Injective Function | Discrete Mathematics
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- čas přidán 14. 08. 2024
- In this video, we count how many one to one functions are there from set A to set B with size of A as m and size of B as n. We start with recalling what an injective function or one-to-one function is , and proceed with an example showing how to count such functions and goes to generalized version.
Thank you brother. As usual, a youtube video is more clear and concise than university material lol.
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Thanks sir.. Really helpful sir
Tysm ❤️☺️
thank you
Thankss a lott
Indo indo 😂😂😂. Thanks though
what happens if for example f(1) can't equal a
Than its not a function, because all preimages must have some image. If not, than its not a function
Indo 😆😆😆 sir it's into
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