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A parallelepiped is formed by planes drawn through the points `(2,3,5)a n d(5,9,7)` , parallel to the coordinate planes. The length of a diagonal of the parallelepiped is `7` unit b. `sqrt(38)` unit c. `sqrt(155)` unit d. none of these``

A

7

B

`sqrt(38)`

C

`sqrt(155)`

D

none of these

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