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A1=12 what is a recursive form for it numbers are 12 7 2 -3 -8 -13

User Maiya
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Answer:

Hi,

Explanation:


a_1=12\\a_2=12-5=7=a_1-5\\a_3=a_2-5\\\\...\\\boxed{a_1=12}\\\boxed{a_(n+1)=a_n-5}

User Stoosh
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