Given rarr{:[u+2v=3 hat(i)- hat(k)],[4u-v=i+ hat(ȷ)+ hat(k)-(1)]:}Multiplyeip the equation (1) by (-1) and(2) by(2){using Elimination of Parameter}.{:[u+2v=3 hat(ı)- hat(k)-1],[4u-v= hat(ı)+ hat(ȷ)+ hat(k)-2". "],[-u-2y=-3 hat(ı)+ hat(k)],[8u-2v=2 hat(ı)+2 hat(ȷ)+2 hat(k)],[-9u=-5 hat(ı)-2 hat(ȷ)- hat(k)],[u=(5)/(9) hat(ı)+(2)/(9) hat(ȷ)+(( hat(k)))/(9)". "],[u=(1)/(9) ... See the full answer