Find the Determinant Value

as row 1 as the same of row 3 ,so the determinant equal zero

In order to find the determinant value, first take the top number above and add the numbers that are diagonal from one row to another.For example, if 4 is the first number of the top row, then add 4 from the first row, 4 from the middle row, and 4 from the last row. Then, you will get the sum 12.Now, keep the number 12 in your mind. Compared to what I first did, what you have to do now is take the starting number from the bottom row,which is 4 and add the numbers once again that are going diagonal upward from bottom row to top row. So, you'll have to do this:4+4+4=12.Now, subtract the two sums,which is 12-12 and you'll get 0. So, the determinant value to this problem is 0.