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5 April, 04:15

Which expression defines the arithmetic series 10 + 7 + 4 + ... for six terms

a. (7n+3)

b. (10+3n)

c. (13-3n)

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  1. 5 April, 04:37
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    c. (13-3n)

    if n=1, (13-3n) = 13-3*1=10

    if n=2, (13-3n) = 13-3*2=7

    if n=3, (13-3n) = 13-3*3=4
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