계산력 문제

정답

Ⅳ. 행렬

행렬의 연산

1. (1) [eqn: LEFT ( pile{5#4} RIGHT )]	(2) [eqn: LEFT ( pile{1#4} RIGHT )]

(3) [eqn: {pmatrix{4&`````1#7&`````-5}}]	(4) [eqn: {pmatrix{2&`````-2#4&`````-4}}]

(5) [eqn: LEFT ( pile{3````````7`````````0#-3``````5`````-1} RIGHT )]	(6) [eqn: LEFT ( pile{``5``````````4````````-2#11````-4`````````2} RIGHT )]

(7) [eqn: {pmatrix{3&`````-1#eqalign{3# 5}&eqalign{``````````7# `````-6}}}]	(8) [eqn: {pmatrix{-3&`````2#eqalign{4# 3}&eqalign{`````3# `````3}}}]

2. (1) [eqn: {pmatrix{11&`````1#4&`````-4}}]	(2) [eqn: {pmatrix{18&`````-2#2&`````-7}}]

(3) [eqn: {pmatrix{-23&`````3#-2&`````9}}]         (4) [eqn: {pmatrix{-23&`````11#8&`````10}}]

3. (1) [eqn: -4]               (2) [eqn: 12]

(3) [eqn: {pmatrix{12&`````-6#-4&`````2}}]        (4) [eqn: {pmatrix{-6&`````2#15&`````-5}}]

(5) [eqn: (7```````2)]             (6) [eqn: (13```````10)]

(7) [eqn: LEFT ( pile{-39#1} RIGHT )]	(8) [eqn: LEFT ( pile{4#-6} RIGHT )]

(9) [eqn: {pmatrix{0&`````13#5&`````27}}]            (10) [eqn: {pmatrix{-10&`````-14#14&`````19}}]

4. (1) [eqn: {pmatrix{11&`````-5#11&`````-8}}]        (2) [eqn: {pmatrix{-35&`````-4#-40&`````-17}}]

(3) [eqn: {pmatrix{17&`````-6#32&`````-17}}]       (4) [eqn: {pmatrix{-23&`````2#-42&`````7}}]