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tigry1 [53]
3 years ago
7

I need help with this​

Mathematics
1 answer:
Makovka662 [10]3 years ago
6 0

Answer:

25

Step-by-step explanation:

a_{1}=10\\a_{n}=2a_{n-1}-5\\a_2=2*10-5=15\\a_{3}=2*15-5=25

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