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Multiply matrices A and B of any sizes legally (no size compatibility requirment). What kind of matrix multiplication am I? Why is always a problem in recent years, aircraft, whether artificially or incidents? What is the difference between an african kente hat and a kuli kofia koofi hat? How to test Petrol in blood? ~ x + y + z = 3, x² + y² + z² = 5, x³ + y³ + z³ = 7 ➪ x⁴ + y⁴ + z⁴ = ?