Practicing Success
Practicing Success
CUET Preparation Today
If $k <0$, then the number of roots of the equation $ke^x - x = 0$, is _____. |
| 1 |
Consider the curves $y=ke^x, k <0$ and $y = x$. Clearly, these two curves intersect at exactly one point. So, the equation $k e^x -x = 0$ has only one root.
|
