what is meant by identity matrix...??
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The identity matrix is a square matrix that has 1’s along the main diagonal and 0’s for all other entries. This matrix is often written simply as II, and is special in that it acts like 1 in matrix multiplication.
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Step-by-step explanation:
A scalar matrix whose diagonal elements are all 1 is called a unit matrix or else we can say identity matrix also.
Are identity matrix of order 1,2,3.
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