Engenharia

<span style="padding: 0px; margin: 0px; outline-style: none; outline-width: initial; list-style: none; border: 0px none; color: rgb(68, 68, 68); font-family: NewsGothicMt, Helvetica, sans-serif; font-size: 1em; text-align: justify;">(PUC – RS)&nbsp;O elemento&nbsp;<span style="padding: 0px; margin: 0px; outline-style: none; outline-width: initial; list-style: none; border: 0px none; color: rgb(68, 68, 68); font-family: NewsGothicMt, Helvetica, sans-serif; font-size: 1em; text-align: justify;">c22&nbsp;da matriz&nbsp;<span style="padding: 0px; margin: 0px; outline-style: none; outline-width: initial; list-style: none; border: 0px none; color: rgb(68, 68, 68); font-family: NewsGothicMt, Helvetica, sans-serif; font-size: 1em; text-align: justify;">C = AB, onde&nbsp;<span style="padding: 0px; margin: 0px; outline-style: none; outline-width: initial; list-style: none; border: 0px none; color: rgb(68, 68, 68); font-family: NewsGothicMt, Helvetica, sans-serif; font-size: 1em; text-align: justify;">A =&nbsp;<img src="https://cdn.mesalva.com/uploads/image/MjAxOS0wMi0xNSAxODo0Nzo1OCArMDAwMDEyODEzNQ%3D%3D%0A.png" data-filename="Captura de Tela 2019-02-15 às 16.46.47.png" style="width: 112px;">&nbsp;e&nbsp; <span style="padding: 0px; margin: 0px; outline-style: none; outline-width: initial; list-style: none; border: 0px none; color: rgb(68, 68, 68); font-family: NewsGothicMt, Helvetica, sans-serif; font-size: 1em; text-align: justify;">B =&nbsp;<img src="https://cdn.mesalva.com/uploads/image/MjAxOS0wMi0xNSAxODo0Nzo1OCArMDAwMDE0NjQ4Mg%3D%3D%0A.png" data-filename="Captura de Tela 2019-02-15 às 16.46.55.png" style="width: 88px;"><span style="padding: 0px; margin: 0px; outline-style: none; outline-width: initial; list-style: none; border: 0px none; color: rgb(68, 68, 68); font-family: NewsGothicMt, Helvetica, sans-serif; font-size: 1em; text-align: justify;"> é:

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