The arithmetic sequence with first term , common difference
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Apply nth term of the arithmetic sequence formula: .
The second term is .
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and
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The third term is .
(Substitute
and
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(Subtract:
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(Subtract:
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The fourth term is .
(Substitute
and
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(Subtract:
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The fifth term is .
(Substitute
and
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(Subtract:
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The first five terms of arithmetic sequence are .