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| rev | Admin | (Created page with "'''Answer: D''' <math>A_{60: 31}=q_{60} v+\left(1-q_{60}\right) q_{60+1} v^{2}+\left(1-q_{60}\right)\left(1-q_{60+1}\right) v^{3}=0.86545</math> <math>q_{60+1}=\frac{A_{60: 31}-q_{60} v-\left(1-q_{60}\right) v^{3}}{\left(1-q_{60}\right) v^{2}-\left(1-q_{60}\right) v^{3}}=\frac{0.86545-\frac{0.01}{1.05}-\frac{0.99}{1.05^{3}}}{\frac{0.99}{1.05^{2}}-\frac{0.99}{1.05^{3}}}=0.017</math> when <math>v=1 / 1.05</math>. The primes indicate calculations at <math>4.5 \%</math> i...") | Jan 18'24 at 11:34 | +811 |