CalculusAdditional / Further Maths

The power rule

Differentiate a single term with a positive integer power.

  • If , then .
  • Multiply the coefficient by the power, then subtract from the power.
  • The derivative gives the instantaneous rate of change of with respect to .

Example 1

Differentiate with respect to .

Multiply by the power; reduce the power by one.

Example 2

Differentiate with respect to .

Multiply by the power; reduce the power by one.

Your turn

Question 1

Differentiate with respect to .

Check answer
Multiply by the power; reduce the power by one.
Question 2

Differentiate with respect to .

Check answer
Multiply by the power; reduce the power by one.
Question 3

Differentiate with respect to .

Check answer
Multiply by the power; reduce the power by one.
Question 4

Differentiate with respect to .

Check answer
Multiply by the power; reduce the power by one.
Question 5

Differentiate with respect to .

Check answer
Multiply by the power; reduce the power by one.