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1.4.8 Arithmetic sequences and series (A-level only)

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Question 5
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The seventh term of an arithmetic sequence is -2 and the twelfth term of the sequence is 18.

a.

Find the first term of the sequence.

[2]
b.

Find the common difference.

[2]

1.4.8 Arithmetic sequences and series (A-level only) Questions

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  3. /1.4.8 Arithmetic sequences and series (A-level only)