Revision as of 14:56, 20 November 2023 by Admin (Created page with "'''Solution: E''' Solution: <math>4000\left(1.04^3\right)=1400\left[1+(1+i)+(1+i)^2\right]</math>, or <math>i</math> solves the quadratic equation: <math>i^2+3 i-0.2139=0</math>. Thus, <math>i=6.97 \%</math> because the other root is negative. {{soacopyright | 2023 }}")
Exercise
Nov 20'23
Answer
Solution: E
Solution: [math]4000\left(1.04^3\right)=1400\left[1+(1+i)+(1+i)^2\right][/math], or [math]i[/math] solves the quadratic equation: [math]i^2+3 i-0.2139=0[/math]. Thus, [math]i=6.97 \%[/math] because the other root is negative.
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