P3.5.1 - 1

1 To include integration of standard functions such as sin 3x, Integration of ekx,, sin kx, cos kx xn e5x, and their sums and differences. 2x.

Use 1 to connect the rule to the data and decision in the question.

This matters because 1 determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply 1 to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: 1 is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.