59×(1+X)^-1+59×(1+X)^-2+59×(1+X)^-3+59×(1+X)^-4+(59+1250)×(1
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/07/13 09:08:38
59×(1+X)^-1+59×(1+X)^-2+59×(1+X)^-3+59×(1+X)^-4+(59+1250)×(1+X)^-5=1000求X?
![59×(1+X)^-1+59×(1+X)^-2+59×(1+X)^-3+59×(1+X)^-4+(59+1250)×(1](/uploads/image/z/18924665-41-5.jpg?t=59%C3%97%281%2BX%29%5E-1%2B59%C3%97%281%2BX%29%5E-2%2B59%C3%97%281%2BX%29%5E-3%2B59%C3%97%281%2BX%29%5E-4%2B%2859%2B1250%29%C3%97%281)
本人计算步骤如下仅为参考:1、59*(1+r)^-1+59*(1+r)^-2+59*(1+r)^-3+59*(1+r)^-4+(59+1250)*(1+r)^-5=1000 59(P/A,i,5)+1250(P/F,i,5)=1000 分别查年金现值系数表的复利现值系数表 2、先估按票面利率的4.72%查年金现值系数表的复利现值系数表=59*4.329+1250*0.7835=1235元与1000相差太大; 再估计8%计算结果=59*3.9927+1250*0.6806=1086与1000有点距离最后估计10%计算结果=59*3.7908+1250*0.6209=1000,所以验证r=10%
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