【单选题】如果 线性无关,且 不能由 线性表示,则 ( )
【单选题】下列程序段的执行结果为 Dim A(10, 10) For I=2 To 4 For J=4 To 5 A(I,J)=I*J Next J Next I Print A(2, 5)+ A(3, 4) + A(4, 5)
【单选题】Posted April 10 Part-Time Help Wanted Hanoi Sporting Goods Co. 2 Lam Son Square St, Dl, Hanoi, Vietnam Phone: (844) 9703744 Hanoi Sporting Goods has a job opening for part-time help starting in June. ...
A.
Working hours are flexible.
B.
The job includes some computer use.
C.
Candidates must be available to start work on May 10.
D.
Applicants should apply in person at the store.
【简答题】若向量组α,β,γ线性无关,问向量组α,α+β,α+β+γ是否也线性无关?