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Svet_ta [14]
3 years ago
12

Nh term to 25 20 15 10 5

Mathematics
1 answer:
Agata [3.3K]3 years ago
5 0

a_n=a_1+(n-1)d\\\\
a_1=25\\
d=-5\\\\
a_n=25+(n-1)\cdot(-5)\\
a_n=25-5n+5\\
\boxed{a_n=-5n+30}

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