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Consider three cases, same spring is att...

Consider three cases, same spring is attached with `2kg` , `3kg` and `1kg` blocks as shown in figure. If `x_(1)` , `x_(2)` , `x_(3)` be the extensions in the spring in the three cases, then.

A

x_1=0,x_3lt x_2`

B

`x_1ltx_2ltx_3`

C

`x_3ltx_2ltx_1`

D

`x_2ltx_1ltltx_3`

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