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1.7.5 Geometric sequences and series (A-level only)

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Question 1

A geometric sequence has a sum to infinity of 121212.

A second sequence is formed by multiplying each term of the original sequence by −3-3−3.

What is the sum to infinity of the new sequence?

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1.7.5 Geometric sequences and series (A-level only) Questions

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  3. /1.7.5 Geometric sequences and series (A-level only)