Question

expand each of the following using suitable identities.
[x-2/3y]^3
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Answer 1

Answer:

$(x - \frac{2}{3} ) {}^{3} = x {}^{3} - 3x {}^{2} \frac{2}{3} + 3x( \frac{2}{3} ) {}^{2} + ( \frac{2}{3} ) {}^{3}$

Answer 2

Answer:

here's your answer

hope it will help you