InterviewSolution
Saved Bookmarks
| 1. |
Among (i) `lim_(xtooo) sec^(-1)((x)/(sinx))" and "(ii) lim_(xtooo) sec^(-1)((sinx)/(x)).`A. `-(1)/(2sqrt(2))`B. `(1)/(2sqrt(2))`C. `(1)/(sqrt(2))`D. does not exist |
|
Answer» Correct Answer - A `underset(xtooo)limsec^(-1)((x)/(sinx))=sec^(-1)((oo)/(sinoo))` `=sec^(-1)((oo)/("any value between "-1" to "1))` `=sec^(-1)(+-oo)=(pi)/(2)` `underset(xtooo)limsec^(-1)((sinx)/(x))=sec^(-1)((sinoo)/(oo))` `=sec^(-1)(("any value between "-1" to "1)/(oo))` `=sec^(-1)0` = not defined Hence, (i) exists but (ii) does not exist. |
|