1 R N - 搜索图片

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Solved 4. In class, we showed that ∇rn=nrn−1r^ where r is | Chegg.com
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Solved Use the formula 1+r+r2+⋯+rn=r−1rn+1−1 (for all real | Chegg.com
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Solved Use the formula 1+r+r2+⋯+rn=r−1rn+1−1 (for all real | Chegg.com

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Solved The formula A=P(1+rn)nt can be rearranged using | Chegg.com
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Solved Sn=a1(1-rn)1-r.What will happen to the formula above | Chegg.com
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Solved \r\n(1)\r\n\r\n\r\nFrom the | Chegg.com

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Solved \r\n(1)\r\n\r\n\r\nFrom the | Chegg.com
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Solved r−1nPr=n−r+1 | Chegg.com
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Solved 4 (a) Show that if r =1, then 1+r+r2+…+rn−1=1−r1−rn. | Chegg.com

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