If \(\mathrm{t}=\sqrt{\mathrm{x}}+4, \text { then }\left(\dfrac{\mathrm{dx}}{\mathrm{dt}}\right)_{\mathrm{t}=4}\) is:
1.  \(4\) 
2.  \(0\) 
3.  \(8\)
4. \(16\)
Subtopic:  Differentiation |
 70%
Level 2: 60%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.