20. [The l'Hospital's rule.] (a) Find the limit lim x In (1 + !), and then show that lim (1+ !)* = e. Application: Suppose an amount of $1 is invested in the bank, with continuous compounding of interest at interest rate 100% (r = 1), find the the amount after 1 year. (b) Find lim (1+ )“, 3x (c) lim x In x, (d) lim x". r+0+

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20. [The l'Hospital's rule.]
(a) Find the limit lim x In (1 + !), and then show that lim (1+ !)*
= e.
Application: Suppose an amount of $1 is invested in the bank, with continuous compounding
of interest at interest rate 100% (r = 1), find the the amount after 1 year.
(b) Find lim (1+ )“,
3x
(c) lim x In x,
(d) lim x".
r+0+
Transcribed Image Text:20. [The l'Hospital's rule.] (a) Find the limit lim x In (1 + !), and then show that lim (1+ !)* = e. Application: Suppose an amount of $1 is invested in the bank, with continuous compounding of interest at interest rate 100% (r = 1), find the the amount after 1 year. (b) Find lim (1+ )“, 3x (c) lim x In x, (d) lim x". r+0+
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