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| rev | Admin | (Created page with "Two deposits are made into a fund: 300 at time 0 and X at time 4. The force of interest for the fund is <math>\delta_t = t/50, \, t \geq 0 </math>. The amount of interest earned from time 0 to time 10 is 4X. Calculate X . <ul class="mw-excansopts"><li>145</li><li>173</li><li>181</li><li>192</li><li>201</li></ul> {{soacopyright | 2023 }}") | Nov 18'23 at 0:59 | +342 |