Use the Binomial Theorem to expand the binomial.(x+ 5y)4
A. x4 + 20x3y + 150x2y2 + 20xy3 + 625y4
B. x4 + 5x3y + 150x2y2 + 250xy3 + 625y4
C. x4 + 4x3y + 6x2y2 + 4xy3 + y4
D. x4 + 20x3y + 150x2y2 + 500xy3 + 625y4
Answer: D
Mathematics
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