linear algebra
Find x such that the matrix is equal to its own inverse. 3,x -2,-3
linear algebra
Use an inverse matrix to solve each system of linear equations. A) x+2y=-1 B)x+2y=10 C)x+2y=-3 x-2y=3 x-2y=-6 x-2y=0
linear algebra
Use an inverse matrix to solve each system of linear equations. A) x+2y=-1 B)x+2y=10 C)x+2y=-3 x-2y=3 x-2y=-6 x-2y=0
linear algebra
Use an inverse matrix to solve each system of linear equations. A) x+2y=-1 B)x+2y=10 C)x+2y=-3 x-2y=3 x-2y=-6 x-2y=0
unit tangent vector
oh ok, now i get it.
unit tangent vector
how does 1/e equal to 1? ∥r'∥ = √(4e^4 + 1 + 4)
unit tangent vector
r(t)=e^(2t)i+e^(-t)j+(t^2+4)k at (1,1,4)
unit tangent vector
oh yes it is.
unit tangent vector
Find a unit tangent vector to r(t)=e^(2t)i+e^(-1)j+(t^2+4)k at (1,1,4).
Calc
Find the point in which the line x=1-t, y=3t, z=1+t; meet the plane 2x-y+3z=6
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