# Thread: Force of interest...

1. ## Force of interest...

Smith makes deposits of 100$at time 0, and X$ at time 3. the fund grows at a force of interest f= (t^2)/100, t>0. The amount of interest earned from time 3 to time 6 is X. Calculate X.

im very lost.. any help would be very appreciated.

2. Please don't double post. Very irritating. Where's that second problem?