** Intro Music ** Hello friends Welcome to Pathshala channel. Please subscribe to Pathshala channel, because this video will be easy for you to find Let’s start with that before, I told the basic concept about metrics, ok Now we read the Exercise 3.1. Let’s see how it can be resolved. Well the matrix is an easy chapter. It’s great to read it. Let’s make it In the matrix A=[ ] ek matrices are written in which the number inside 2,5,19 … is like this I had already done a discourse in a video that the signature of the matrix is called it. The number of the metrics you are seeing is 2, 5, 19, -7, which is the element that we call, Ok Let’s look at the question say that –The Order of the Matrix that means let’s say that this matrix is of how many orders it is.