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A matrix is an ordered set of numbers listed in rectangular form having certain rows and columns. The knowledge of matrices is considered necessary in various areas of Mathematics and a wide variety of other subjects, like Chemistry, Sociology, Genetics and Electrical Engineering. The importance of Matrix Theory has greatly increased with the invention of Electronic Brain—Computer. It has become a powerful tool of modern Mathematics and is now extensively used in the allied fields of Mathematics including Probability, Statistics, Quantum Mechanics, Mechanics, etc.