1(2x)4(2/3x)º+4(2x)³(2/3x)¹+6(2x)²(2/3x)²+4(2x)¹(2/3x)³+1(2x)º(2/3x)4
=6(2x)²(2/3x)²
=10,2/3
Belan answered the question on February 25, 2019 at 10:36
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