Write the first three terms in the binomial expansion, expressing the result in simplified form.(x2 + 5)9

A. x18 + 50x16 + 1800x14
B. x18 + 45x16 + 1800x14
C. x18 + 50x16 + 900x14
D. x18 + 45x16 + 900x14


Answer: D

Mathematics

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