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Find the coefficient indepandent of x in...

Find the coefficient indepandent of x in the
expansion of ` (1 + x + 2x^(3)) ((3)/(2) x^(2) - (1)/(3x))^(9)`

A

`1/3`

B

`19/54`

C

`1/4`

D

No such term exists in the expansion.

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