write the following cubes in expanded form (x -2 by 3 y ) ³
Answers
Answered by
0
Answer:
???
Step-by-step explanation:
(x-2/3y)cube
now I don't know the answer
Answered by
1
Answer:
(x-2/3y)^3
=(x)^3-3x^2.2/3y+3.x.(2/3y)^2-(2/3y)^3
=x^3-2x^2/y+4x/3y^2-8/27y^3
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