I am trying to work out the first four terms for these series i)e^-2t I get 1 -2t+4t^2/2 -8t^3/3 ii)cos4t Iget = 1-8t^2/2 +256t4/4 Is this right, or can you explain where I am going wrong
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Originally Posted by Jaffa I am trying to work out the first four terms for these series i)e^-2t I get 1 -2t+4t^2/2 -8t^3/3 ii)cos4t Iget = 1-8t^2/2 +256t4/4 Is this right, or can you explain where I am going wrong factorials?
Hello, Jaffa! You're forgetting the factorials . . . Find the first four terms for these series: . . . (1) Series: . We have: . . . . . . . . . . . . . . . . . . . . . (2) Series: . We have: . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hello Soroban Thanks for the help, but I am not sure what you mean by factorials could you please explain
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