设\(A\)为n阶方阵,\(n>1\),且\(A\)的第\((i,j)\)位元素等于\(i\times j\),那么\(\det A = \)
A: \(n^2\)
B: \(n\)
C: 1
D: 0
A: \(n^2\)
B: \(n\)
C: 1
D: 0
举一反三
- 设\(A\)为n阶方阵,\(n>2\),且\(A\)的第\((i,j)\)位元素等于\(i+j\),那么\(\det A = \) A: \(2n\) B: \(n\) C: 1 D: 0
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- 下列程序段能分别正确显示1!、2!、3!、4!的值的是______。 A: For i = 1 To 4 n = 1 For j = 1 To i n = n * j MsgBox(n) Next jNext i B: For i = 1 To 4 For j = 1 To i n = 1 n = n * j Next j MsgBox(n)Next i C: n = 1For i = 1 To 4 For j = 1 To 4 n = n * j MsgBox(n) Next jNext i D: n = 1j = 1Do While j <= 4 n = n * j MsgBox(n) j = j + 1Loop