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請詳細解答下題..謝謝~
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One way is to use linear Interpolation, When R = 5 % The expression is equal to 1,248.216535 When R = 8% The expression is equal to 1,132.485074 Therefore, ( R - 0.05) / (R - 0.08) = ( 1,169.36 - 1,248.216535 ) / ( 1169.36 - 1,132.485074) Upon Solving, we have R = 0.070441252 Therefore R is approximately equal to 7% 2010-11-30 22:24:30 補充： 只係 solve for R ( R - 0.05) / (R - 0.08) = -2.14 R - 0.05 = -2.14(R - 0.08) R + 2.14R = 0.05 + 0.171 R( 3.14) = 0.231 R = 0.070441252
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請詳細解答下題..謝謝~
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次方 怎樣拆 ? 1,169.36=120/(1+R) + 120/(1+R)^2 + 120/(1+R)^3 + 1,120/(1+R)^4 R = ? 更新: 唔好意思...請問 ( R - 0.05) / (R - 0.08) = ( 1,169.36 - 1,248.216535 ) / ( 1169.36 - 1,132.485074) 下一步係 ? 最後 得出 R = 0.070441252最佳解答:
One way is to use linear Interpolation, When R = 5 % The expression is equal to 1,248.216535 When R = 8% The expression is equal to 1,132.485074 Therefore, ( R - 0.05) / (R - 0.08) = ( 1,169.36 - 1,248.216535 ) / ( 1169.36 - 1,132.485074) Upon Solving, we have R = 0.070441252 Therefore R is approximately equal to 7% 2010-11-30 22:24:30 補充： 只係 solve for R ( R - 0.05) / (R - 0.08) = -2.14 R - 0.05 = -2.14(R - 0.08) R + 2.14R = 0.05 + 0.171 R( 3.14) = 0.231 R = 0.070441252
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