Question

Задание 2.12
Найти матрицу k•A+m•B, если...

Answer 1

$k*A+m*B=-2*left(begin{array}{ccc}3&-1&5\-4&2&1end{array}right) -2* left(begin{array}{ccc}-11&5&4\-2&3&0end{array}right)=\=left(begin{array}{ccc}-6&2&-10\8&-4&-2end{array}right)+left(begin{array}{ccc}22&-10&-8\4&-6&0end{array}right) =left(begin{array}{ccc}16&-8&-18\12&-10&-2end{array}right)$