FP3.6.5 - Inverse of 3 × 3 matrices

Inverse of 3 × 3 matrices.; Use of the relation (AB)−1 = B−1A−1.

Use fp3.6.5 - inverse of 3 × 3 matrices to connect the rule to the data and decision in the question.

This matters because fp3.6.5 - inverse of 3 × 3 matrices determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply fp3.6.5 - inverse of 3 × 3 matrices to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: FP3.6.5 - Inverse of 3 × 3 matrices is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.