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OpenStudy (anonymous):
How do you find the determinant of this matrix? |2 a 0 0 0| |b 2 a 0 0| |0 b 2 a 0| |0 0 b 2 a| |0 0 0 b 2|
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OpenStudy (anonymous):
expand by first row
OpenStudy (turingtest):
...or the first column it is called the method of cofactors http://tutorial.math.lamar.edu/Classes/LinAlg/MethodOfCofactors.aspx
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