Use the formula for the sum of the first n terms of a geometric sequence to solve. Find the sum of the first five terms of the geometric sequence:  4/3, 8/3, 16/13 . . . .

Q: Find the sum of the arithmetic sequence: {4, 8, 12, …, 204}.

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Q: Find the 6th term of the arithmetic sequence 4, 7, 10, ... Answer:

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Q: Find the sum of the first 15 terms of the arithmetic sequence: -6, -3, 0, 3, . . . .

A: We have to find the sum of first 15 terms of the sequence: -6, -3, 0, 3, .... We know the sum of n…

Q: Find the 10th term of the arithmetic sequence in which a1=12 and d = 9.1.

A: It is given that, a1=12d=9.1   It is known that nth term of arithmetic sequence can be found  by…

Q: Write the general term for the geometric sequence 3, 6, 12, 24, 48, . . . .Then use the formula for…

A: we have to write the general term for the geometric sequence 3, 6, 12, 24, 48, . . . . also we have…

Q: Find the indicated term of the arithmetic sequence a1 = 5, d= 3, a4= ?

A: Given First term a1=5Common difference d=3

Q: Find the sum of the first 97 terms of the arithmetic sequence: 0, -4, –8, –12,-16,... Answer:

A: It is given that,the arithmetic sequence:    0,-4,-8,-12,-16,...... We have to find sum of first 97…

Q: Find the 8th term of an arithmetic sequence with a1 = −2 and a15 = 68.

A: Using  a1 = −2 and a15 = 68 we find common difference d and use the term formula of AP.