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If l^r(x) means logloglog.......x being ...

If `l^r(x)` means `logloglog.......x` being repeated `r` times, then `int [ (x l(x) l^2(x) l^3(x) .... l^r (x)]^(-1) dx` is equal to :

A

`l^( r )(x)+c`

B

`l^(r+1)(x)+c`

C

`(l^(r+1)(x))/(r+1)+c`

D

None of these.

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The correct Answer is:
B
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