Solve C(4.2)

$$C ( 4.2 )$$

Differentiate w.r.t. C

$$4.2$$

Steps Using Definition of a Derivative

The derivative of ax^{n} is nax^{n-1}.

$$4.2C^{1-1}$$

Subtract 1 from 1.

$$4.2C^{0}$$

For any term t except 0, t^{0}=1.

$$4.2\times 1$$

For any term t, t\times 1=t and 1t=t.

$$4.2$$

Evaluate

$$\frac{21C}{5}$$