Mathegoras

Vectors and matrices › Matrices › Inverses and singular matrices

Value of x making a matrix singular

High school · ●○○○○ 10 pts

Find the value of xx for which the matrix (1+x73−x8)\begin{pmatrix} 1 + x & 7 \\ 3 - x & 8 \end{pmatrix} is not invertible. Round to two decimal places.

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determinantsinvertible matricessingular matriceslinear equations