Find the first four terms of the indicated expansion.(x + 2)19

A. x19 + 38x18 + 1368x17 + 7752x16 + ...
B. x19 + 38x18 + 1368x17 + 15,504x16 + ...
C. x19 + 38x18 + 684x17 + 7752x16 + ...
D. x19 + 38x18 + 684x17 + 15,504x16 + ...


Answer: C

Mathematics

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A. 8
B.
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Solve.Given that loga6 = 0.778, and loga5 = 0.699, find loga62.

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