What is the numerical coefficient of the a^4 b^4 term in the expansion of (1/3a^2 - 2b)^6 enter your answer, in the simplest fractional form, in the box

Use the binomial theorem:

where

is the binomial coefficient.

We get the a⁴ b⁴ term when k = 4, which gives the coefficient

add 5 subtract 1

step-by-step explanation:

42.4

step-by-step explanation:

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