When [x (1/x)] = 5, then what is the value of [x – (1/x)]? - Study24x7
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3631 followers study24x7 22 May 2020 12:38 PM study24x7 study24x7

When [x + (1/x)] = 5, then what is the value of [x – (1/x)]?

A

11

B

± √22

C

21

D

± √21

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