Example 13,14 Chapter1 Relation & Function Class 12 Math | Example 13,14 Class12 Ch 1 NCERT Maths

Описание: in this video we have discussed example 13,14 chapter 1 relation and functions class12th
Example13: Show that an onto function f:{1,2,3}→{1,2,3} is always one one.
Example 14 : Show that a one one function f:{1,2,3}→{1,2,3} must be onto.
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