2e:["$","$1","6",{"children":" y "}] 33:Tc0d,

A - B = \begin{pmatrix} 0 & -4 \\ 4 & -2 \end{pmatrix}

2f:["$","span","7",{"className":"","dangerouslySetInnerHTML":{"__html":"$33"}}] 30:["$","$1","8",{"children":". Se pide:"}] 31:null 34:T5d7,

A^2 - B^2

.35:Tc5a,caso,

A^2 - B^2 \neq (A + B)(A - B)

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