Question

The value of $\lbrack - 1,1)$ is-

• A. 0
• B. 1
• C. 2
• D. None of these

Answer 1

Answer: (C)

2

Answer 2

Let sinx = t

if x → $\frac { \pi } { 2 }$, t → 1

so using L Hospitals

= $\lim _ { t \rightarrow 1 } \frac { 1 - t ^ { t } ( 1 + \log t ) } { - 1 + \frac { 1 } { t } }$ = = +2