Consider the following alternating series. E(-1)* 4k + 1 k=1 00 a) An alternating series can be written as (-1)*- bx or (-1)* br where k=1 k=1 bị > 0. Find bj for the given series. b) Using bị from part a) find lim b. If the limit is infinite, type infinity or -infinity k00 as appropriate. If the limit does not exist and is not infinite, type DNE. umit

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