Answer to Question #194059 in Linear Algebra for Mpopo

Question #194059

Give an example of 2 × 2 matrix with non-zero entries that has no inverse

Expert's answer

"\\begin{pmatrix}\n 1 & 1 \\\\\n 1 & 1\n\\end{pmatrix}"

The determinant of the matrix is zero, so it has no inverse.

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