A geometric sequence has 7 terms, if the first term is 4 and the last term is 256, then the middle term is А. 28 D. 36 Е. 38 В. 30 С. 32

Q: y"+y' - 2y = x2

A: Solution :-

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Q: Find a formula for the general term a, of the sequence, {1. - 36 216 1296

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Q: Find the sum of the first n terms of the following arithmetic sequence. a1 = 2, d = - 4; n = 6 O A.…

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Q: Write down the first five terms of the following recursively defined sequence. a1 = 3; an+1 = -2an +…

A: The solution is given as

Q: . a, = 4 anei a, a,-1

A:

Q: Which of the following is a geometric sequence?

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Q: What should be the next number in this sequence? 0, 2, 6, 12, 20, 30,

A:

Q: An arithmetic sequence has terms as = 14 and a11 = 35. Find a1. a. -35 b. 4 с. -12 d. е. -28

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Q: Find the direct formula of a sequence given by 3, -6, 12, -24, 48.. An = (-2)n-1 an = 3(-2)n an =…

A: To find the direct formula of a sequence  3,-6,12,-24,48,.....

Q: Find an for a sequence with the 8th term 28 and the 10th term 42. а. 8n + 28 7n + 28 7n - 14 b. с.…

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Q: The second term of a GP is 24 and the sixth term is 121.5, the first term of the sequence will be А.…

A:

Q: Find the 23nd term of a sequence that is given by -8, -4, 0, 4, 8...

A: Given sequence :-     -8, -4, 0, 4 , 8,......

Q: List the first five terms of the sequence. a1 = 5, 2n + 1 2an +4 а1 а2 аз ад a5

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.