SSIS - Find first day and last day of previous week in SSIS expression

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In order to get the first and last day of the previous week, we can use the following expressions within derived columns:
First day of previous week
DATEADD("wk",DATEDIFF("wk",7,GETDATE()),0)
Last day of previous week
DATEADD("wk",DATEDIFF("wk",7,GETDATE()),6)
References

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