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If $y=\cfrac { x-5 }{ x } $, then $\cfrac { { d }^{ 2 }y }{ d{ x }^{ 2 } } =$

A

$0$

B

$\cfrac { 5 }{ { x }^{ 2 } } $

C

$\cfrac { 10 }{ { x }^{ 3 } } $

D

$-\cfrac { 10 }{ { x }^{ 3 } } $

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