Sequence & Series

Please show all work, and try to explain a bit I've hit a brick wall with these questions.

Sequences and Series
Aogaess Indran Aogaess Indran
31
Matchmaticians Sequence & Series File #1 File #1 (png)
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2 Attachments

Jbarth Jbarth
160
  • Aogaess Indran Aogaess Indran
    0

    in number 10 how did 5a + 10d become 15a + 30d and why?

  • Aogaess Indran Aogaess Indran
    0

    also you you didn't show all the work

  • Aogaess Indran Aogaess Indran
    0

    you jumped over alot of steps could you go back and provide all the work like for example how to get the a term

  • Jbarth Jbarth
    0

    Hi, My bad - I assumed the systems of equations part was intuitive but I guess not. I went back in and added some explanation for the steps, plus a general explanation of systems of equations at the beginning to hopefully make it a bit more intuitive. Please see the new file attached. Thanks.

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