{"type":"rich","version":"1.0","provider_name":"InstaCalc","provider_url":"https://instacalc.com","title":"Matrix 2x2 Determinant","author_name":"InstaCalc","author_url":"https://instacalc.com/matrix-2x2-determinant","html":"<iframe src=\"https://instacalc.com/embed/matrix-2x2-determinant\" width=\"100%\" height=\"400\" loading=\"lazy\" style=\"max-width:600px;border:0\" frameborder=\"0\"></iframe>","width":600,"height":400}