一道行列式题目|a+b a 0...0 0 ||b a+b a...0 0 ||.||.||.||0 0 0...a+b
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一道行列式题目
|a+b a 0...0 0 |
|b a+b a...0 0 |
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|0 0 0...a+b a |
|0 0 0...b a+b|
|a+b a 0...0 0 |
|b a+b a...0 0 |
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|0 0 0...a+b a |
|0 0 0...b a+b|
![一道行列式题目|a+b a 0...0 0 ||b a+b a...0 0 ||.||.||.||0 0 0...a+b](/uploads/image/z/20192292-36-2.jpg?t=%E4%B8%80%E9%81%93%E8%A1%8C%E5%88%97%E5%BC%8F%E9%A2%98%E7%9B%AE%7Ca%2Bb+a+0...0+0+%7C%7Cb+a%2Bb+a...0+0+%7C%7C.%7C%7C.%7C%7C.%7C%7C0+0+0...a%2Bb)
参考这里吧:
A与B都是正交矩阵,A的行列式+B的行列式=0.证明(A+B)的行列式等于0
行列式求值~0 0...0 a b0 0...a b 0.a b ..0 0 0b 0...0 0 a
n阶行列式计算 a b 0 ...0 0 a b ...0 .0 0 0 ...b 0 0 0 ...a
a大于0大于b,化简|a-b|-|b+a|
一道高二不等式证明题已知a>0,b>0.求证a/√a+b/√b≥√a+√b应给是a/√b+(b/√a≥√a+√b
如果a+b>0,a-b
已知|a|a+b|b|=0
若a+b>0,a-b
根据性质求行列式:a b 0 00 a b 00 0 a bb 0 0 a
a^-b,a^b,a^a,其中0
{1,a,b/a}={0,a^2,a+b}
线性代数 行列式计算a b 0 0 0..0 00 a b 0 0 ..0 00 0 a b...0 0 0.0 0 0