<prompt> Pata vekta mathbfv vilejina la operetaproj_anzapmatrix 2 1 mwishopmmatrix mathbfv anzapmatrix frac385 frac19 5 mwishopmmatrixnajina la operetaproj_anzapmatrix 2 3 mwishopmatrix mathbfv anzapmatrix frac5813 frac87 13 mwishopmmatrix.  <response>: Acha mathbfv kuanzapmatrix x y mwishopmatrix.asyusepackageamsmath;ukubwa wa kitengo cm 0.6;jozi P, Q, V;V 7,5;P 385,195;Q 5813,8713;chora-1,0--8,0;chora0,-1--0,7;chora0,0--V,Arrow6;kuchoraV--P,dashed;chora-1,-12--8,4;chora0,0--P,nyekundu,Arrow6;chora-23,-1--237,7;kuchora V--Q, iliyopigwa;chora0,0--Q,nyekundu,Arrow6;lebomathbfv, V, NE;lebobeginpmatrix frac385 frac195 endpmatrix, P, SE;lebobeginpmatrix frac5813 frac8713 endpmatrix, Q, NW;asyKisha kwa sifa za makadirio,kushoto anzapmatrix x y mwishopmatrix - anzapmatrix frac385 frac195 endpmatrix kulia cdot anzapmatrix 2 1 mwishopmatrix 0,nakushoto anzapmatrix x y mwishopmatrix - anzapmatrix frac5813 frac8713 endpmatrix kulia cdot anzapmatrix 2 3 endpmatrix 0.Hizi husababisha milinganyo2 kushoto x - frac385 kulia kushoto y - frac195 kulia 0na2 kushoto x - frac5813 kulia 3 kushoto y - frac8713 kulia 0.Kutatua, tunapata x 7 na y 5, hivyo mathbfv anzapmatrix 7 5 mwishopmatrix. 