how to solve Q3? I have no idea

2. In what way considered better than TCP7 (5%) A tridiagonal matrix is a square matrix in which all elements that are not on the major diagonal and the twa diagonale adjacent in are here. The elements in the band formed by these three diagonale are represented by Fowt in an array, we will all being stored in b[1], Obtain an algorithm to determine the value of Leen from the array o (10%) 0 ar an 4 0 1