Ask a New Question

Question

Find the arithmetic sequence whose 1st term is 1 and the 1st, 2nd and 6th terms form a geometric sequence
8 years ago

Answers

Scott
1 / (d + 1) = (d + 1) / (5d + 1)

5d + 1 = (d + 1)^2 ... d^2 - 3d = 0 ... d = 3

An = 3n - 2
8 years ago

Related Questions

Find the arithmetic sequence if the fourth term is -6 and the eleventh term is -34 Arithmetic sequence 4,7,10,13 How do you do it. For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula... For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula... In an arithmetic sequence where a6=13 and a10=25, what is the explicit formula for the general term... In the arithmetic sequence 5;7;10;13 which term is greater than 150 Find the arithmetic sequence whose fifth term = 21, and the tenth term = 3 times the second term Arithmetic sequence: For a8 and an for the sequence: -3,-7,-11 My answer a8=33 In arithmetic sequence tn find: t5 , if t7=−20 and S8 = −100 t5 =
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use