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("lim")(xvec1)[cos e c(pix)/2]^(1/((1-x)...

`("lim")_(xvec1)[cos e c(pix)/2]^(1/((1-x)))(w h e r e[dot]r e p r e s e n t st h e` `gif is e q u a l to`(a) 0 (b) 1 (c) `oo` (d) does not exist

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