9. What is the sum of the first 15 terms of the arithmetic sequence -8, 7, 22, 37, . * O 202 O 1455 O 1896 O 3270

Q: 2. Find the first 4 terms and the 40th term of the arithmetic sequence: = 67.3 – 4.7n - a1 = a2 = az…

A: To find the terms of the given arithmetic sequence, substitute n=1,2,3,....  in the given nth term…

Q: In an arithmetic sequence ( 190, 162, 134, - ***.*), the common difference is O-28 O 106 28 30 -31 0…

A:

Q: _21. What are the first five terms of an arithmetic sequence whose 1t term is 2.6 and a common…

A:

Q: 3. What is the 1st term in an arithmetic sequence whose 26th term 165 and common difference 6?

A: What is the 1st term in an arithmetic sequence whose 26th term 165 andcommon difference

Q: 2 = (- 1)"(3**) 8.

A: First three terms are  -9, 27 , 81

Q: 1. Write down the first five terms of the sequence given by: an = (-1)^n+1 / n 2. Find the common…

A:

Q: 9. Two terıns of an arithmetic sequence are a12 = 52 and a51 = 208, find a172- Make sure to use the…

A:

Q: Find the sum of the first 21 terms of the arithmetic sequence given by the formula a₁ = n + 5 O 273…

A:

Q: 4. What is the fourth term in the sequence defined as: a1 126 and an 3(an-1) - 5 %3D %3D

A: A sequence is a function which domain being the set of natural numbers and the range being the set…

Q: Write the first five terms of the sequence whose 7 general term is an Write simplified n! fractions,…

A: Given Data: an=7n!   a) a1 Substituting n=1 a1=71!=7

Q: 1. Find the 10th term of the arithmetic sequence in which aj = 12 andd = 9.1. O a10 = 103.9 O a10 =…

A:

Q: (ii) Find the sum of the first eight terms of the sequenc 1.1. 8 4 1....

A:

Q: 7. In the arithmetic sequence 1, 5, 9, 13, .., which term is 405? * О 102 O 101 О 100 О 9

A: GIVEN: Arithmetic sequence 1, 5, 9, 13, ........

Q: Insert four arithmetic means between 12 and -3. 2. Find the 28th term in an arithmetic sequence if…

A:

Q: 6. The first four terms of an arithmetic sequence are 2, a-b, 2a+b+7, a-3b. Find a and b.

A:

Q: = 238 and the 93rd term is 539. S

A:

Q: The first day of the bazaar students sold 20 souvenir items and in the closing day they sold 2500…

A: From the question a1=no. of items sold on the first day =20 an=no. of items sold on the last day…

Q: In an arithmetic sequence {a1, a2, a3, ·} the first term is 7 and the 14th term is 46, then S14 is…

A:

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

A:

Q: 5. What is the 100th term of the arithmetic sequence 8, 12, 16, 20...? * 108 O 396 O 404 O 408

A:

Q: 20. What is the 20th term of the seq 17, 14, 11, 8,...? [A] -40 [B] -34 [C]-31 [D] -25

A:

Q: 4. Find the value of x so that x+7, -x-1, x+ 13,.. shall form a geometric sequence.

A:

Q: What is the partial sum of terms 12 to 15 of the arithmetic sequence 96, 85, 74, 63, ...? Ob -166 Oc…

A:

Q: What is the partial sum of terms 12 to 15 of the arithmetic sequence 88, 75, 62, 49, ...? O 198 O-45…

A:

Q: 7. a. Find the general term for the geometric sequence -1, -2, -4, -8, . ... b. Find the 12th term…

A:

Q: an = (- 8)"

A: