If the order of matrix A is 3 × 5 and that of the product AB is 3 × 7, what is the order of B?
A.
5×3
B.
3×7
C.
7×5
D.
5×7
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【简答题】Write an essay elaborating the statement 'In many situations, compromise is necessary'. Requirement: Your writing should have a good beginning, which brings out the thesis, and middle part should be d...