(b) Σ(-1)n-1-¹ n4 n=1

Q: Find dr for 8719,719 = 3.

A:

Q: (- 1)"(品 2n +1

A:

Q: simplify: (n!)/(n+2)!

A: n! = n(n-1)(n-2)...... 4.3.2.1

Q: 6 Q3. Evaluate Σή=1 5n2 - 7n.

A:

Q: (-5)2 n (b) En-1 n²,97n 00

A: Part b,

Q: (-1)^-1 00 16. n=1 vn+10

A:

Q: 00 (2n +1)" n2n n=1

A:

Q: Find n(A)   A= {1/2, -1/2, 1/3,- 1/3,......1/10, -1/10}

A: Compute n(A) as follows.Assume a set B with 20 elements.B = {1,−1, 2, −2, 3, −3,......10, −10}.

Q: (-1)n+13n (b) n5n n=1

A:

Q: 3(n+7) =  blank + 21

A: We have to solve

Q: Differentiate the following: (a) (2x – 1)*. (b)(5x + 1)* (3 – 2x)* -

A:

Q: Question 4 The graph below represents an arithmetic sequence. . 15 . 10 5 -5 -10 -15 -20 a 2 ● • 4 a…

A:

Q: n-5/6 + n+3/7 = 11/21

A: The given expression is

Q: 14(½)(3)(-2)=

A: Given expression :

Q: y (y18 -10y8) 5/8 3/8 11/8 ().

A:

Q: Find the value for the following expression (a) n=5 (b) n=7 N+1/5

A: a. We plug n=5 first.Answer: 1 1/5

Q: (c) n=1 n² + 5

A: The objective of the question is to determine whether the given series converges or diverges. The…

Q: (b) 6 + 7 + 8 + 9 + ... + k

A: (b) Given that 6+7+8+9+...+k The objective is to find the sum. The formula for sum of numbers are,…

Q: SEQUENCES AND SERIES ALGEBRA II 28-1 (THOMAS WILLIAMS, ID: 12390719) Warning: if you leave this…

A:

Q: 5n (f) n10 n=1

A:

Q: (-4)* 5k +1 k=1

A: We have to find if the series convergent or divergent.

Q: 2(n-3)+n(2-n)=2-n2

A:

Q: Evaluate. (a) - 73 (b) ( – 7)3

A: Given query is to find the value of the expression.

Q: B={b∣b∈Nand267≤b<108} n(B)=

A: