Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The tangent to the curve `y=e^(kx)` at a point (0, 1) meets the x-axis at (a,0), where a `in` [-2,-1]. Then `k in .` - Sarthaks eConnect

The tangent to the curve `y=e^(kx)` at a point (0, 1) meets the x-axis at (a,0), where a `in` [-2,-1]. Then `k in .`

`[-1/ 2,0]`

`[-1,-1 / 2]`

`[0, 1]`

`[1/2,1]`