Use the partial fraction command on your CAS to fin a convenient expression for the partial sum, and then use this expression to find the sum of the series. Check your answer by using the CAS to sum the series directly.
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For the following geometric series, state the values of and. Then determine each indicated sum. Express your answers as exact values in fraction form and to the nearest hundredth
For the following geometric series, state the values of t1 and r. Then determine each indicated sum. Express your answers as exact values in fraction form and to the nearest hundredth 18-9+4.5.. (s12)
(a) Express the area under the curve from 2 to 7 as a limit.
(b) Use a computer algebra system to find the sum in your expression from part (a).
(c) Use a computer algebra system to find the exact area by evaluating the limit of the expression in part (b).
from 2 to 7 as a limit.