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Identity Matrix in Multiplication
## Formula
$$AI=IA=A$$
for a square matrix $$a$$ of the same order as $$i$$.
## Usage
- Used to simplify matrix products involving identity matrices.
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Identity Matrix in Multiplication
## Formula
$$AI=IA=A$$
for a square matrix $$a$$ of the same order as $$i$$.
## Usage
- Used to simplify matrix products involving identity matrices.
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