c# HOW TO WRITE A CODE THAT MAKE AN ARRAY OF TWO OTHER ARRAYES code example

Example 1: c# concant 2 tab

tab1.Concat(tab2).ToArray();

Example 2: how to store an array inside an array c#

var[] array1;
var[] array2;

List<float[]> arrays = new List<array1, array2>();

arrays.ToArray();