If `A_l=(x-a_i)/(|x-a_i|)30, i=1,2,..., n` and if `a_1 lt a_2 lt a_3lt ..... lta_n`. Then, `lim_(xtoa_m) (A_1A_2.....A_n), 1 le mle 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.

If `A_l=(x-a_i)/(|x-a_i|)30, i=1,2,..., n` and if `a_1 lt a_2 lt a_3lt

1.	If `A_l=(x-a_i)/(\|x-a_i\|)30, i=1,2,..., n` and if `a_1 lt a_2 lt a_3lt ..... lta_n`. Then, `lim_(xtoa_m) (A_1A_2.....A_n), 1 le mle 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.
Answer» Correct Answer - D

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