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If x=1+sqrt""2+sqrt""3, then the value o...

If `x=1+sqrt""2+sqrt""3`, then the value of `2x^(4)-8x^(3)-5x^(2)+26x-28` is :

A

`2 sqrt2`

B

`3 sqrt3`

C

`5 sqrt5`

D

`6 sqrt6`

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