differential equation

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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3. Short selling is the process of borrowing stocks in a bear market ( a declining market), selling them, then buying them back at a reduced cost at some point. future. in the

Suppose the value of stock ROSN, whose current price is €1000, is expected to satisfy the differential equation,

1/t s' (t) + s(t) = t² - 58+t²+876 

where t is time measured in days, and s(t) is the current value of the ROSN stock. If a trader wants to short sell the ROSN stock when should they buy it back to maximize return?

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