Find the first few nonzero terms of the Maclaurin series for the given function.f(x) = etan x

A. x + x2 - . . .
B. 1 + x + . . .
C. 1 + x2 + . . .
D.  + 2x + . . .


Answer: B

Mathematics

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A.
B.
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D.
E.

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