P1.5.1 - Indefinite integration as the reverse

Indefinite integration as the reverse Students should know that a constant of integration is of differentiation. required.

Use indefinite integration as the reverse to connect the rule to the data and decision in the question.

This matters because indefinite integration as the reverse determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply indefinite integration as the reverse to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: Indefinite integration as the reverse is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.