Saved Bookmarks
| 1. |
\( \operatorname{Lt}_{x \rightarrow \frac{\pi}{4}} \frac{f(x)-f\left(\frac{\pi}{4}\right)}{x-\frac{\pi}{4}} \) |
Answer» It is in the 0/0 formBy L-Hospital rule differentiate numerator and denominator Lt x → π/4 0 - f'(π/4) / 1 - 0= -f'(π/4) |
|