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One to one and onto functions | Relations and Functions | Class XII | Mathematics | Khan Academy
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- čas přidán 21. 03. 2023
- In this video, we will learn what one to one and onto functions are.
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Created by
Aakash Singh Bagga
Your explanation power is excellent I hope you will grow much higher than you want
U made it really esy to understand sir , thanks a ton
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Sir please please tell how to solve dpp's graphs questions??
Even you also not teach in your lesson. So how ?
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Yes
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Agr set A main koi akela reh jaye to kya wo one to one function kehlaiye ga?
If in a set \( X \), one element is not related to any element in set \( Y \), then the relation between \( X \) and \( Y \) cannot be a function. In a function, each element in the domain (set \( X \)) must be related to exactly one element in the codomain (set \( Y \)). If there exists an element in \( X \) that is not related to any element in \( Y \), then the relation does not satisfy this requirement of a function.
In other words, for every element \( x \) in \( X \), there must be exactly one element \( y \) in \( Y \) such that \( (x, y) \) is in the function. If there's an \( x \) that does not have any corresponding \( y \), it violates the definition of a function.
So, the type of relation you described would not be a function. It could be a relation, but it wouldn't meet the criteria for a function.
The function will simply not exist
@@sqnldrhadi simple bolo function will not exist
Function hi nhi rhega woh then
Yess
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Agr koi fx one one h to wo onto bhi hoga kya ?
Onto can be one-one and vice versa but not necessary it depends on the defined relation
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:)
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