- A1 3 D 5 B A1 23 D 21 C A1 10 An An 1 3 1 (4.3 KiB) Viewed 22 times
a1=−3,d=−5 (b) a1=−23,d=21 (c) a1=10,an=an−1−3
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answerhappygod
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a1=−3,d=−5 (b) a1=−23,d=21 (c) a1=10,an=an−1−3
a1=−3,d=−5 (b) a1=−23,d=21 (c) a1=10,an=an−1−3
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