mando

Most popular questions and responses by mando
  1. linear algebra

    Find x such that the matrix is equal to its own inverse. 3,x -2,-3

    asked on February 12, 2012
  2. history

    which war did the most americans die - american revolutionary war?, WW1, US civil war? or WW2?

    asked on May 18, 2015
  3. 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).

    asked on September 28, 2011
  4. 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

    asked on February 12, 2012
  5. 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

    asked on February 12, 2012
  6. 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

    asked on February 12, 2012
  7. Calc

    Find the point in which the line x=1-t, y=3t, z=1+t; meet the plane 2x-y+3z=6

    asked on September 26, 2011
  1. unit tangent vector

    oh ok, now i get it.

    posted on September 28, 2011
  2. unit tangent vector

    how does 1/e equal to 1? ∥r'∥ = √(4e^4 + 1 + 4)

    posted on September 28, 2011
  3. unit tangent vector

    r(t)=e^(2t)i+e^(-t)j+(t^2+4)k at (1,1,4)

    posted on September 28, 2011
  4. unit tangent vector

    oh yes it is.

    posted on September 28, 2011