If A and B are any matrices of order 2×1, why does the product ABt have no inverse?
If A and B are any matrices of order 2×1, why does the product ABt have no inverse?
I need help with finding the inverse of the matrix for, -9 5 6 -3 I...
I tried to find the inverse but in all my multiplying, it ended up not being a inverse matrix and instead a random set of fractions in my matrix.
Production- Pretzels cost $4 per lb., dried fruit cost $5 per lb., and nuts cost $9 per lb. The three ingredients are to be combined in a trail mix containing twice the weight of pretzels as dried...