Write a program to set zero in the lower triangular of a given matrix a(4,4). For example array below. 1245 O2 36 o o89 00 04 For i 1 To 4 For j 1 To 4 a(i, j) = InputBox("") Next j: Next i For i = 1 To 4 For j 1 To 4 %3D %3D 1- 2- 3- 4- End If Next j Print Next i 1-lf i<=j Then 2-Print a(i, j); 3-Blank 4- Print .0. O 1-If i = j Then 2-Print a(i, j); 3-Else 4- Print .0. 1-If i <= j Then 2-Print a(i, j); 3-Else 4- Print ,0. 1-If i<= j Then 2-Print "0"; 3-Else 4-Print a(i, 1): 1-lf i>= j Then 2-Print a(i, j); 3-Else 4- Print "0";

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