- 15 - 15 2-15 A= 5x + 30 2-15 2 - 15 - 15 15 2 - 15 5x + 30 2 - 15 2 15 2-15 2 15 5.0 + 30 2 15 2- 15 2 15 5x + 30 2-15 2 15 2-15 50 + 30 2 15 2- 15 where x is a parameter. Calculate the determinant of A. det A - (The answer depends on the variable r.)

匿名用户最后更新于 2021-12-01 19:09 数学类Mathematics

Please show how to reduce the matrix, thank you.

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- 15 - 15 2-15 A= 5x + 30 2-15 2 - 15 - 15 15 2 - 15 5x + 30 2 - 15 2 15 2-15 2 15 5.0 + 30 2 15 2- 15 2 15 5x + 30 2-15 2 15 2-15 50 + 30 2 15 2- 15 where x is a parameter. Calculate the determinant of A. det A - (The answer depends on the variable r.)

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