Question

Am nevoie URGENT!!!dau Coroană

Answer 1

De stiut:

adunarea matricelor: se aduna termenii membru cu membru

inmultirea matricei cu un termen: se inmulteste termenul cu fiecare membru in parte

scaderea matricelor: se scad termenii membru cu membru

$A=\left(\begin{array}{ccc}1&3\\\frac{1}{2} &\frac{1}{3} \\\end{array}\right)$

$B=\left(\begin{array}{ccc}0&1\\\ 5&-1 \\\end{array}\right)$

$A+B=\left(\begin{array}{ccc}1&4\\\frac{11}{2} &\frac{-2}{3} \\\end{array}\right)$

$A-B=\left(\begin{array}{ccc}1&2\\\frac{-9}{2} &\frac{4}{3} \\\end{array}\right)$

$2A=\left(\begin{array}{ccc}2&6\\1} &\frac{2}{3} \\\end{array}\right)$

$3B=\left(\begin{array}{ccc}0&3\\\ 15&-3 \\\end{array}\right)$

$2A-3B=\left(\begin{array}{ccc}2&3\\-14&\frac{11}{3} \\\end{array}\right)$

$\frac{1}{2} A+\frac{1}{5}B =\left(\begin{array}{ccc}\frac{1}{2} &\frac{17}{10} \\\frac{5}{4} &\frac{2}{15} \\\end{array}\right)$

Un alt exercitiu cu matrice gasesti aici: https://brainly.ro/tema/2494494

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