The first five terms of a sequence are --, represents an explicit formula for the general nth term of the sequence? O an = an an an= (-1)" n² (-1)" n n+1 -20... Which one of the following (-1)"n! n+1 (-1)" (n+1)!

Q: The 2 – tail of the sequence Y = (1, 3, 5, 7, 9,... , 2n – 1, . ..) is: O Y = (7,9,..., 2n + 5, ...)…

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Q: I need help ()))((((

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Q: Express the sum 3 + 5 + 7+ ... + (2k-1) using E-notation.

A: The given sum is 3+5+7+…+2k-1. Express the sum 3+5+7+…+2k-1 using ∑ notation as follows.

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Q: What would be the 31 st term of the sequence x2, x, 1 А. х28 1 В. x26 C. x28 1 D. x33

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A: Given :-  The sequence A , with terms a1 , a2 , a3 , ..... are defined by  an = 2n for n ≥ 1. The…

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Q: Find first 5 terms of the following sequence: {an} given by a, = (-1)" („ 3n-2 n2-2n+3 99 Evaluate:…

A: First five terms of the sequence an=(-1)n(3n-2n2-2n+3) at n =1  a1=-3-21-2+3=-12 at n =2…

Q: 12. Find the first 5 terms of the sequence: 2n a, =(-1)" n +1 a) b) a, = 4a-5 and aj =1 | n-1

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Q: sequences, in the form t(n) = a(b)" b) 3, -18, 108, –648, .. equation

A: We will look each term closely to find the explicit equation for the sequence.

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A: given infomation

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A: SOLUTION-

Q: Which of the following formulas defines an arithmetic sequence? O a) S,=18+7(n-1)(n-2) O b) s,=18+7"…

A: We know that: An explicit formula for an arithmetic sequence of nth term is denoted by, an=a1+d(n-1)…

Q: 08. The sequence { GT) }n-1 3n+2 37+1

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Q: 1. For each of the following sequences, write down the first 4 terms of the sequence (an). (a) (급),…

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Q: 14. Write a recursive formula for the sequence a) 3, -5, -13, -21,... b) 6.-2, 3, .

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Q: a =(−1)²¹ (n − 10)₂ - What is the 9th term of the sequence n

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Q: List the first four terms of each sequence. An = 2n + 6: 8 10 12 14 ,.... bn = (4)" : 4 16 64 256…

A: We can find first four term of the given sequences . Put n=1,2 ,3 ,4 and find four terms of the…