higher order derivative
- Thread starter Theodor
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Harry_the_cat
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You don't have to find f12 (x), you have to find f12 (0).
All of those bracketed expressions above are 0 when x=0. Recall that sin 0 = 0 and cos 0 = 1. Is that going to continue?
I'm not sure, but last derivative may contain ...cos(2*x^3+x^3)(12+9*8*7*x^5)+... and other nonzero addends