<prompt> Tafuta x ili vekta anzapmatrix 2 5 endpmatrix na beginpmatrix x -3 endpmatrix ziwe za orthogonal.  <response>: Kwa vekta beginpmatrix 2 5 endpmatrix na beginpmatrix x -3 endpmatrix kuwa orthogonal, bidhaa yao ya nukta inapaswa kuwa 0:2x 5-3 0.Kutatua, tunapata x frac152. 