In exercises 19-22, determine the value(s) of h such that the matrix is the augmented matrix of a consistent linear system. h -3 1 4 20 19 6 8 -2 4

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%