Question

Find the values

Answer 1

Step 1:

The function is .

Differentiate the function with respect to .

Apply power rule of derivatives :.

The differentiate function is

Step 2:

The differentiate function is

If changes by a small amount  this will cause  to change by a small amount .

Substitute  in Differentiate function.

Hence, the value of is

Solution :

The value of is

The value of is