Question

Ex 3 punctul b)!!! va rog e urgent!!!!

Answer 1

Transpusa matricei- se inverseaza linia cu coloana

$^tC=\left(\begin{array}{ccc}2&3&-5\\-1&0&-4\\\end{array}\right)$

$A+^tC=\left(\begin{array}{ccc}1&5&-5\\0&-3&-2\\\end{array}\right)$

$B-^tC=\left(\begin{array}{ccc}-1&-6&7\\1&-1&6\\\end{array}\right)$

$A-B+^tC=A-(B-^tC)=\left(\begin{array}{ccc}0&8&-7\\0&-2&-4\\\end{array}\right)$

$^t(A-B+^tC)=\left(\begin{array}{ccc}0&0\\8&-2\\-7&-4\end{array}\right)$

Un alt exercitiu gasesti aici: https://brainly.ro/tema/2721055

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