Expand.( + m)4

A. 49 + 28m + 42m2 + 4m3 + m4
B. 49 + 14m + 42m2 + 4m3 + m4
C. 49 + 28m + 6m2 + 4m3 + m4
D. 49 + 28m + 42m2 + 4m3 + m4

Answer: D

Mathematics

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