InterviewSolution
Saved Bookmarks
| 1. |
`lim_(x->(pi/4)) (sqrt(2) cosx-1)/(cot x-1)` |
|
Answer» `cos x -> 1/sqrt2 ` `cot x -> 1` `lim_(x-> pi/4) (d/dx(sqrt2 cos x - 1))/(d/dx(cot x - 1))` `lim_(x->pi/4) ( sqrt2 (-sinx))/(cosec^2 x)` `= (sqrt2 xx -1/sqrt2)/-(sqrt2)^2` `= -1/-2 = 1/2` Answer |
|