# > solve( {x + y + 5*z + 2*t = 1, x + y + 3*z + 4*t = -3, 2*x + 3*y + 11*z + 5*t = 2, 2*x + y + 3*z + 2*t = -3}, [x, y, z, t])

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 A := <<1,1,1>|<1,2,-4>|<-3,-1,7>>; > V:=abs(Determinant(A)); > a:=<<2,-1>|<-5,4>>; > b:=<<-5,4>|<3,1>>; > c:=<<3,1>|<2,-1>>; > s:=sqrt((Determinant(a))^2+(Determinant(b))^2+(Determinant(c))^2); > h:=V/s; Geom 13-bet 3-masala > with(Student[LinearAlgebra]): A := <<-3,-6,0>|<4,8,0>|<0,5,5>>; > Determinant(A); > det(A)=0; > S(ABC):=25/2; > S(BCD):=50/2; > S:=S(ABC)+S(BCD); Geom 15-bet 1-masala > simplify(x+3/(-2)-(y-2)/3=0); > solve({3*x+2*y+5=0, 2*x-3*y-6=0},[x,y]); > solve({(-3+x)/2=-3/13},[x]); > solve({(2+y)/2=-28/13},[y]); Geom 15-bet 2-masala > A0B0:=(2*x-y+1=0); > A0C0:=(x+3*y=0); > solve({A0B0,A0C0}, [x,y]); > B0C0:=(-x+y+2=0); > solve({A0B0,B0C0},[x,y]); > solve({A0C0,B0C0},[x,y]); > k:=2; > C0:=(1.5,-0.5); > A:=simplify(y+0.5-2*(x-1.5)); > 2*A; > k:=-1/3; > B0:=(-3,-5); > b:=simplify(y+5+1/3*(x+3)); > 3*b; > c:=simplify(y-1/7-x-3/7); > 7*c; Geom 21-bet 3-masala > A:=Vector[row]([3,-1,5]); > B:=Vector[row]([3,-2,4]); > AK:=Vector[row]([x+2,y-3,z+2]); > with(Student[LinearAlgebra]): Download 101 Kb.Do'stlaringiz bilan baham:
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