A function that is both one-to-one and onto is called what?
ایک فنکشن جو ون ٹو ون اور آن ٹو دونوں ہوتا ہے اسے کیا کہتے ہیں؟
- Injective
- Surjective
- Bijective
- Non-injective
Explanation
A function that is both one-to-one (injective) and onto (surjective) is called a bijective function.
Injective:
A function where each element of the domain maps to a unique element in the codomain
Surjective:
A function where every element in the codomain is mapped by some element in the domain.
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