C++ programming 4 questions Questions are in the file uploaded

Question

c++ programming 4 questions.Questions are in the file uploaded.

#include;iostreamgt;
#include;math.hgt;
#include;iomanipgt;
#include;conio.hgt;
using namespace std;
class mat
{
public:
double array2[2][2], tensionMat[2], array[2];
int alpha ,…
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