Hi all, I need some help with the following question: the 257th derivative of e^(-t)*sint When i do it, i get an answer of 2 ^(257/2)*i*(cost(t) + i*sin(t)) but the answer is 2^128*e^(-t)*(cos(t) - sin(t)) Thanks in advance, ArTiCk
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Originally Posted by ArTiCK Hi all, I need some help with the following question: the 257th derivative of e^(-t)*sint When i do it, i get an answer of 2 ^(257/2)*i*(cost(t) + i*sin(t)) but the answer is 2^128*e^(-t)*(cos(t) - sin(t)) Thanks in advance, ArTiCk You know that . I leave it to you to therefore justify that . So the answer is . Note that . Therefore the answer will be
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