In a traditional worksheet, a student solves problem #1, checks the back of the book, moves to problem #2, gets stuck, and potentially disengages. In a circuit training model, the worksheet is designed as a loop.
For (x – a)^n: terms A₁/(x-a) + A₂/(x-a)² + … + Aₙ/(x-a)ⁿ. Circuit Training Integrals Of Rational Expressions