Posted by **Nelson** on Sunday, September 30, 2007 at 2:30pm.

A = {a1, a1 + d1, a1 + 2d1, …}, B = {a2, a2 + d2, a2 +2d2, …}. Investigate whether A + B and

A x B are arithmetic or geometric sequences. If an arithmetic sequence is identified, state its common difference. If a geometric sequence is identified, state its common ratio. (the numbers are subscripts)

I can't seem to model this one.

I'd appreciate some input.

Nelson, 8th grade student

- Sequences -
**bobpursley**, Sunday, September 30, 2007 at 3:17pm
A+B in a sequence means it is equal to

A1+B1, A+d1+B1+d2, ....

AxB means several things, but I assume you are working as a orthogonal tensor, which means that each term (like terms) are multliplied:

AB, Ar1*Br2, A(r1)^2 B(r2)^2, ...AB (r1*r2)^n, .....

## Answer this Question

## Related Questions

- Maths - Eric thinks of 2 sequences.One is geometric and the other arithmetic....
- Biology - When making comparison of sequences where some are whole genome ...
- algebra - Consider all 3-term geometric sequences with first term 1 and with ...
- Maths - Consider all 3-term geometric sequences with first term 1 and with ...
- Math - Consider all 3-term geometric sequences with first term 1 and with common...
- 7th Grade Math - What is arithmetic and geometric sequences?
- Math - I need help with sequences 2,1,1/2,1/4,... Is this arithmetic, geometric,...
- math - what method i need to use in solving arithmetic and geometric sequences ...
- Maths - The first, third and ninth terms of an arithmetic sequence form the ...
- Math - 7. You are having a discussion about sequences with your classmate. She ...

More Related Questions