

InterviewSolution
Saved Bookmarks
1. |
If `y=e^(sqrt(x))+e^(-sqrt(x))," then "(dy)/(dx)` is equal toA. `(e^(sqrt(x))-e^(-sqrt(x)))/(2sqrt(x))`B. `(e^(sqrt(x))-e^(-sqrt(x)))/(2x)`C. `(1)/(2sqrt(x))sqrt(y^(2)-4)`D. `(1)/(2sqrt(x))sqrt(y^(2)+4)` |
Answer» `(dy)/(dx)=(e^(sqrt(x)))/(2sqrt(x))-(e^(-sqrt(x)))/(2sqrt(x))=(e^(sqrt(x)-)e^(-sqrt(x)))/(2sqrt(x))` `=(sqrt((e^(sqrt(x))+e^(-sqrt(x)))^(2))-4)/(2sqrt(x))` `=(sqrt(y^(2)-4))/(2sqrt(x))` |
|