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I just need help if its A through D

Incorrect Question 2 0/1 pts What is the 100th term of the power series 2n=0 (-1)x2n+1 (2n + 1)! 199 -X 199! 201 -X 201! x20

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Incorrect Question 3 0/1 pts For a given power series Enzoan = 2n=0Cplx + 4), if the ratio test lim an+ 1 an X + 4 2 , and t

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4.

Incorrect Question 4 0/1 pts (-1)(x - 2) What is the ratio test correct answer of 2n=1 -? n41 x2 4 IX-21 1x -21 4(n + 1) 1x

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Answer #1

anti 2 5 (-1) na (2n +31 nco for n=99, 100th term for 2x99+) (-1999 x ago = (-1) (2x99+1)! 199 = 1991 (A)3 Griven Ean Ě C, (x+4)* n:o ant enti (x+4) x + 4 2 lim lim no antx+4) Entl (x+4) x+4 2 alim n-01 Cn Cntl lim NI 2 hado cn Al

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