A) 2
B) 2.5
C) 3
D) 3.5
Correct Answer: A
Solution :
\[1+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+\frac{1}{14}+\frac{1}{28}\] \[=\frac{4+21}{4}+\frac{4+2+1}{28}\] \[=\frac{7}{4}+\frac{7}{28}=\frac{112}{56}\] \[=2\]You need to login to perform this action.
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