C is a matrix of 5x5
Let A be a 2x3 matrix and B a 3x2 matrix. If AxB and BxA both defined and determinant of the matrix AxB is 4, then evaluate the determinant of the matrix BxA.
Three non negative numbers A, B and C are such that the mean is X and the median is 7.
If X is 12 more than the smallest number and 17 less than the biggest number.
Find the value of A + B + C.