Saturday

December 20, 2014

December 20, 2014

Total # Posts: 10

**linear algebra**

Find x such that the matrix is equal to its own inverse. 3,x -2,-3
*February 12, 2012*

**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
*February 12, 2012*

**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
*February 12, 2012*

**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
*February 12, 2012*

**unit tangent vector**

oh ok, now i get it.
*September 28, 2011*

**unit tangent vector**

how does 1/e equal to 1? ∥r'∥ = √(4e^4 + 1 + 4)
*September 28, 2011*

**unit tangent vector**

r(t)=e^(2t)i+e^(-t)j+(t^2+4)k at (1,1,4)
*September 28, 2011*

**unit tangent vector**

oh yes it is.
*September 28, 2011*

**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).
*September 28, 2011*

**Calc**

Find the point in which the line x=1-t, y=3t, z=1+t; meet the plane 2x-y+3z=6
*September 26, 2011*

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