QueenV
  • QueenV
ompounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial P(1+r/2)2 represents the value of the investment after 1 year. Rewrite this expression without parentheses. Evaluate the polynomial if P = $5670 and r = 3.5%
Mathematics
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SOLVED
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chestercat
  • chestercat
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kropot72
  • kropot72
\[P(1+\frac{r}{2})^{2}=P(1+r+\frac{r ^{2}}{4})=P+\Pr+P\frac{r ^{2}}{4}\ .........(1)\] Now plug the values P = 5670 and r = 0.035 into equation (1).
tkhunny
  • tkhunny
And why would anyone EVER do that? We changed it from Addition: 1 Multiplication: 1 Division: 1 Exponentiation: 1 To this Addition: 2 Multiplication: 2 Division: 1 Exponentiation: 1 Can you even imagine how much more complex a larger problem would be under this transformation?
kropot72
  • kropot72
The question asks "Rewrite this expression without parentheses", presumably as an exercise in expansion.

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goformit100
  • goformit100
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