Question 1 Report
Find the sum to infinity of the following series. 0.5 + 0.05 + 0.005 + 0.0005 + .....
Answer Details
Using S∞ ∞ = a1−r a 1 − r r = 0.050.5 0.05 0.5 = 110 1 10 S∞ ∞ = 0.5110 0.5 1 10
= 0.5(910) 0.5 ( 9 10 ) = 0.5×109 0.5 × 10 9 = 59
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