Deleted recovery partition -help!!

Raptor_41

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Sep 2, 2010
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i was reinstalling windows 7 to reformat the hard drive and I think I’ve deleted the recovery partition by mistake, when I go to my computer i only see the (C:) partition where windows is installed and when I look in disk manager it shows system reserved and (C:).
is there a way to recreate it and what is the reserved space used for, is it necessary?