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For a positive integer n, let a(n) = 1...

For a positive integer n, let
`a_(n) = 1+( 1)/( 2) +( 1)/( 3) + ( 1)/( 4) + "......." + ( 1)/(( 2^(n) - 1)) `. Then `:`

A

a ( 100)` le` 100

B

a( 200) `le` 100

C

a(200) `gt ` 100

D

None of these

Text Solution

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The correct Answer is:
A
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