A-Maths: Square Matrix, Determinant & Inverse August 15, 2012 By Ai Ling Ong 2 Comments In this video, I discuss on: Square matrix Its Determinant Its Inverse Identity matrix & its significance Length of video: 5 mins Link to video: http://www.youtube.com/watch?v=alJEZwwtQ3U Feel free to leave me a comment.

E-Maths: Angle Properties of Circle Question July 31, 2012 By Ai Ling Ong 2 Comments In this video, I discuss on the methods to answer angle properties of circle. 2 items to mark out before answering the question. How to identify angle at centre and its angle at circumference. Common perception mistake on cyclic quadrilateral. Length of video = 6.35 minutes. Download the question in pdf here. Direct link to video, click here.