Question

power series - What is the lowest term with a nonzero coefficient.

Answer 1

dying to know what the series is

Answer 2

\[f(x) = 7x^2 \arctan(x ^{10})\]

Answer 3

@satellite73

Answer 4

Do you know what the power series of arctan is?

Answer 5

x - x^3/3 + x^5/5 - x^7/7 ...

Answer 6

i put 7x^12 but its wrong

Answer 7

That's right. Maybe the way you've formatted your answer is wrong, do they just want the coefficient or exponent or something maybe idk

Answer 8

I've tried both

Answer 9

Got it, n=12