Saturday, March 3, 2012

Basic maths

In this i am going to describe you about the functions.A functon is nothing but the one which connects it.
ONE ONE FUNCTION:
A one one function is the one in which each element is mapped with only one element.
ONTO FUNCTION:
A onto function is the one in which the all the elements of codomain must be mapped.There is no condition that all domain elements should be mapped
BIJECTION:
A bijection is the one which is one one and onto that is both domain and co domain elements are mapped


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