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A(i)=(x-a(i))/(|x-a(i)|),i=1,2,...,n," a...

`A_(i)=(x-a_(i))/(|x-a_(i)|),i=1,2,...,n," and "a_(1)lta_(2)lta_(3)lt...lta_(n).`
If `1lemlen,minN,` then `underset(xtoa_(m))lim(A_(1)A_(2)...A_(n))`

A

is equal ot `(-1)^m`

B

is equal to `(-1)^m+1`

C

is equal to `(-1)^m-1`

D

does not exist.

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The correct Answer is:
D
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