Differentiate y = 3^ (x ln x)

The Chain Rule.

0:00 The Chain Rule.

2:29 Example one in three different ways.

9:39 Example two in detail.

Differentiate the following y = e^(cosx) + cos(e^x)

Differentiate y=SQR ( 1+4 sin(x)). And find equations of the tangent line and the normal at (0, 1).