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Harrizon [31]
3 years ago
10

A sequence has three terms the term to term rule for sequence is multiple by3 and then add 7 given that the first term of the se

quence is -1 write down the value of the third term
Mathematics
1 answer:
olasank [31]3 years ago
8 0

Answer:

Step-by-step explanation:

a₁ = -1

a₂ = 3a₁ + 7 = 3(-1)+7 = 4

a₃ = 3a₂ + 7 = 3·4+7 = 19

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\begin{cases}a\equiv1\pmod7\\b\equiv2\pmod7\\c\equiv6\pmod7\end{cases}

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