Previous-year question practice database
Answer
Exam answer
Given:
A = [[1,2],[3,4]]
C = [[−5,1],[7,−4]]
A + C
= [[1+(−5), 2+1], [3+7, 4+(−4)]]
= [[−4,3], [10,0]]
Answer:
[[−4,3],[10,0]].
Explanation
Add corresponding entries of A and C.
Given:
A = [[1,2],[3,4]]
C = [[−5,1],[7,−4]]
A + C
= [[1+(−5), 2+1], [3+7, 4+(−4)]]
= [[−4,3], [10,0]]
Answer:
[[−4,3],[10,0]].
Add corresponding entries of A and C.