SQL SERVER - How to get end of month date

select eomonth( getdate(), -1 )
select eomonth( getdate() )    
select eomonth( getdate(), 1 )

Output:

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2019-02-28

(1 row(s) affected)


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2019-03-31

(1 row(s) affected)


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2019-04-30

(1 row(s) affected)