Question: Write a function/code in java to calculate the cofactor expansion of the x,y th element in a 3x3 matrix. Method create an array. Also use

Write a function/code in java to calculate the cofactor expansion of the x,y th element in a 3x3 matrix. Method create an array. Also use the method to determine if matrix is invertible or not. ( Please use a basic/simple code) begineer level !!! please add //comment on each code line if possible

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