Find the sum to infinity of the following series. 0.5 + 0...
Find the sum to infinity of the following series. 0.5 + 0.05 + 0.005 + 0.0005 + .....
58
57
511
59
Correct answer is D
Using S∞ = a1−r
r = 0.050.5 = 110
S∞ = 0.5110
= 0.5(910)
= 0.5×109
= 59
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