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If a1 = 8 and an =an-1-3 then find the value of a5
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If a1 = 8 and an =an-1-3 then find the value of a5

User LonelyDaoist
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1 Answer

3 votes

Answer:


a_5=-4

Explanation:


a_n=a_(n-1)-3\\\\a_1=8\\\\a_2=a_1-3\to a_2=8-3=5\\\\a_3=a_2-3\to a_3=5-3=2\\\\a_4=a_3-3\to a_4=2-3=-1\\\\a_5=a_4-3\to a_5=-1-3=-4

User Ibrahim Tanyalcin
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