How to prove f(x)=1/x is onto

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In this video i Will discuss about very easy and simple method of proving 1/x function onto.

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#howtoproveafunctionisonto #ontofunction

open set

supremum and infimum

upper bound and lower bound

Cyclic group

Subgroups

One step subgroup test

Two step subgroup test

Order of a group and order of an element

Permutation Group

Function domain and Range

concept of 1-1 onto and bijective mapping

Difference between Range and codomain

Relation function domain codomain range and image
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But 0 has no pri image in domain set R.lf f:R-{0} to R-{0} then f(x)=1/x is onto function

jayitarakshit