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{"sheet":"Sheet1","index":0,"n_rows":16,"n_cols":15,"rows_kept":16,"cut":false,"hidden":false,"merged":[[13,7,13,9],[9,2,12,2],[9,6,12,6],[9,10,12,10],[5,0,7,1],[9,0,11,1],[1,2,4,2],[1,10,4,10],[1,6,4,6],[0,2,0,10],[5,2,8,2],[5,6,8,6],[5,10,8,10]]}
[null,null,"Inverse of a 3×3 matrix"]
[null,null,"(",null,null,null,"|",null,null,null,")"]
[null,null,null,null,null,null,null,1,0,0,null,null,null,null,"© Dynamic Maths.  All rights reserved"]
[null,null,null,null,null,null,null,0,1,0]
[null,null,null,null,null,null,null,0,0,1]
["Lower Triangular Form"]
[null,null,null,2,45,5,null,1,0,0]
[null,null,null,0,-27.5,5.5,null,-0.5,1,0]
[null,null,null,0,0,-20.6,null,-0.30909090909090908,-2.3818181818181818,1]
["Reduced Row Echelon Form",null,"(",null,null,null,"|",null,null,null,")"]
[null,null,null,1,0,0,null,-1.4121800529567477E-2,8.8261253309797061E-3,0.33980582524271846]
[null,null,null,0,1,0,null,2.1182700794351278E-2,-1.3239187996469549E-2,-9.7087378640776708E-3]
[null,null,null,0,0,1,null,1.5004413062665489E-2,0.11562224183583406,-4.8543689320388349E-2]
[null,null,null,null,null,null,null,"INVERSE"]
[null,null,null,"Determinant:",null,{"$f":"D3*(E4*F5-F4*E5)-E3*(D4*F5-F4*D5)+F3*(D4*E5-E4*D5)","v":0},null,{"$f":"IF(F15=0,\"Matrix is singular: inverse does not exist!\",\"\")","v":"Matrix is singular: inverse does not exist!"}]
[null,null,null,"(of original matrix)"]