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1. 15. W.A. Revision L3: Set Notation & Matrices [2023] Mr I.Lim
2. 15. W.A. Revision L3: Set Notation & Matrices [2023] Ms J.Low
![15. W.A. Revision L3: Set Notation & Matrices [2023] Mr I.Lim](http://edutv.sg/public/uploads/16798921428070.png)
![15. W.A. Revision L3: Set Notation & Matrices [2023] Ms J.Low](http://edutv.sg/public/uploads/16798921425919.png)