find the middle term or terms of the following expression :<br />(2x-1/3x)^2n<br />please answer fast
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a+b is a binomial (the two terms are a and b) Let us multiply a+b by itself using Polynomial Multiplication : (a+b)(a+b) = a2 + 2ab + b2. Now take that result and multiply by a+b again: (a2 + 2ab + b2)(a+b) = a3 + 3a2b + 3ab2 + b3.
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