Add.(5a5b3 + 9a3b2 + 12ab) + (2a5b3 + 6a3b + 4ab)

A. 7a5b3 + 15a3b2 + 16ab
B. 7a5b3 + 15a3b + 16ab
C. 7a5b3 + 9a3b2 + 6a3b + 16ab
D. 15a6b3 + 7a5b3 + 16ab


Answer: C

Mathematics

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A.
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D.

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Mathematics