unit 5 cartesian and geometric vectors

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vec(u)=[2,-4,-1]vec(v)=[1,-2,4]a){:[3 vec(v)- vec(u)=3( hat(i)-2 hat(j)+4 hat(k))-(2 hat(i)-4 hat(j)- hat(k))],[=3 hat(i)-6 hat(j)+12 hat(k)-2 hat(i)+4 hat(j)+ hat(k)],[= hat(i)-2 hat(j)+13 hat(k)]:}b){:[| vec(u)+2 vec(v)-2k|],[=|2 hat(i)-4 hat(j)- hat(k)+2( hat(i)-2 hat(j)+4 hat(k))-2 hat(k)|],[=|2 hat(i)-4 hat(j)- hat(k)+2 hat(i)-4 hat(j)+8 hat(k)-2 hat(k) ... See the full answer