13 Answered Questions for the topic Linear Algebra And Matrix
09/09/18
When you have a 4x4 matrix that includes only 3 variable in the system, which variable is d?
Ex:
x + y − z = −5x − y − 7z = 70.75x − 0.5y + 0.25z = 18x + y + z = 1
If a=x, b=y, and c=z, what is d?
07/30/18
How to determine whether T is linearly independent ? Justify your answer please.
Let S={X1,X2,X3} be a linearly independent set of vectors in R^3. How to determine whether T={2X1 + X2 - 2X3,4X1+ 3X2,3X1 + 2X2 - X3} is linearly independent. Justify your answer please.
07/27/18
Is this True or False ? Justify please
If X1,X2 and X3 are vectors in R3 such that {X1,X2} and {X1,X3} are linearly independent sets, then {X1,X2,X3} is a linearly independent set.
07/27/18
Please help me find the matrix X. Justify your answer please.
2 1 0 1 0 1Let A = [ 1 0 1 ] and B = [ 2 0 1 ] 0 3 0 0 1 1 Find the matrix X such that (2X + A)-1 = B.
07/27/18
Is this True or False ? Justify your answer please.
If A is a 2 x 2 matrix such that AAT (Transpose) = 0, then A = 0.
Linear Algebra And Matrix
03/25/18
what matrix is formed when a matrix is pre-multiplied by its inverse matrix
what matrix is formed when a matrix is pre-multiplied by its inverse matrix I have no idea about this question it confuses me
Linear Algebra And Matrix
01/06/18
Linear Algebra And Matrix
Given
T( |1|) = |5|
|0| |9|
T( |0| = |5|
|1| |-7|
Find a matrix such that
T(v)= | | (v)
| |
Linear Algebra And Matrix
11/04/17
Linear Algebra And Matrix
so my question is
Determine the value of h such that the matrix is the augmented matrix of a linear system with infinitely many solutions.
/6 -5 / 8 /
/18 h / 24 ...
more
Linear Algebra And Matrix
11/04/17
Linear Algebra And Matrix
2 x + 9 y + 3 z = -8.
/x/ / / / / / /
/y/ = / / + / /s + / /t
/z/ / / / / ...
more
Linear Algebra And Matrix
11/04/17
Linear Algebra And Matrix
Determine the value of k for which the system
x+y+2z=0
x+2y-3z=-2
3x+9y+kz=-11
has no solutions.
so, what's k = ?
Linear Algebra And Matrix
11/02/17
Linear Algebra And Matrix x2
-6 1 7-6 1 4-12 2 11
this is a matrix
what is the rank of the above matrix?
Linear Algebra And Matrix
11/02/17
Linear Algebra And Matrix
{ -5 -3 -6 } [ -4 ] [ x ]{ -5 1 8 } * [ 6 ] = [ y ]
{ -8 7 -6 } ...
more
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