7KiB, 692x60, Screenshot 2022-03-21 110533.png View SameGoogleiqdbSauceNAO Isometries Linear Algebra Mon 21 Mar 15:07:30 2022 No.14322634 ViewReplyOriginalReport Quoted By: >>14322639 Let $V$ be a finite dimensional comYX8NXplex inner product space and let $S$ be an isometry on V such that $(I+S)$ is an isometry. Show that these conditions imply that $S^3 = I$.
