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If the coefficients of x^-2 and x^-4 the...

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

A

27

B

182

C

`5/4`

D

`4/5`

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The correct Answer is:
B
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