If the coefficient of x^(-2) and x^(-4) ...

If the coefficient of `x^(-2) and x^(-4)` in the
expansion of `(x^(1//3) + (1)/(2x^(1//3)))^(18), (x gt 0),` are m and n respectively,
then `(m)/(n)` is equal to

A

27

B

182

C

`5/4`

D

`4/5`

Verified by Experts

The correct Answer is:

B

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