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Mathematics
< prev  8121 to 8140 of 8245  next > 

Find xy satisfying the matrix equations

`[[X-Y               2            -2],[4                        x                6]]+[[3        -2                2],[1         0            -1]]=[[                6                       0                             0],[         5                       2x+y                5]]`

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

Find xy satisfying the matrix equations

`[x     y + 2    z-3 ] +  [  y       4          5]=[4        9        12]`

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

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Find xy satisfying the matrix equations

`x[[2],[1]]+y[[3],[5]]+[[-8],[-11]]=0`

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

If 2 `[[3    4],[5     x]]+[[1   y],[0    1]]=[[7        0],[10      5]]` find x and y.

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

Find the value of λ, a non-zero scalar, if λ

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

Find a matrix X such that 2A + B + X = O, where

`A= [[-1      2],[3        4]],B= [[3       -2],[1          5]]`

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

Find a matrix X such that 2A + B + X = O, where 

 If A = `[[8            0],[4    -2],[3         6]]` and B = `[[2       -2],[4           2],[-5          1]]`

, then find the matrix X of order 3 × 2 such that 2A + 3X = 5B.

 
[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

Find xyz and t, if

`3[[x     y],[z      t]]=[[x        6],[-1          2t]]+[[4             x+y],[z+t         3]]`

 

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

Find xyz and t, if

`2[[x         5],[z         t]]+[[x           6],[-1          2t]]=[[7            14],[15        14]]`

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

If X and Y are 2 × 2 matrices, then solve the following matrix equations for X and Y.

`2X + 3Y = [[2,3],[4,0]], 3X+2Y = [[-2,2],[1,-5]]`

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

 

\[A = \begin{bmatrix}0 & 1 & 0 \\ 0 & 0 & 1 \\ p & q & r\end{bmatrix}\] ,and I is the identity matrix of order 3, show that A3 = pI + qA +rA2.
[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

If w is a complex cube root of unity, show that

`([[1         w          w^2],[w            w^2             1],[w^2           1             w]]+[[w          w^2          1],[w^2             1               w],[w            w^2              1]])[[1],[w],[w^2]]=[[0],[0],[0]]`

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined
 Let  \[A = \begin{bmatrix}3 & 2 & 7 \\ 1 & 4 & 3 \\ - 2 & 5 & 8\end{bmatrix} .\] Find matrices X and Y such that X + Y = A, where X is a symmetric and Y is a skew-symmetric matrix

 

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined
Define a symmetric matrix. Prove that for
\[A = \begin{bmatrix}2 & 4 \\ 5 & 6\end{bmatrix}\], A + AT is a symmetric matrix where AT is the transpose of A.
 

 

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

Express the matrix \[A = \begin{bmatrix}3 & - 4 \\ 1 & - 1\end{bmatrix}\]  as the sum of a symmetric and a skew-symmetric matrix.

 

 

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined
If  \[A = \begin{bmatrix}2 & 3 \\ 5 & 7\end{bmatrix}\] , find A + AT.
 

 

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined
If  \[A = \begin{bmatrix}i & 0 \\ 0 & i\end{bmatrix}\] , write A2.
 

 

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

If \[A = \begin{bmatrix}\cos x & \sin x \\ - \sin x & \cos x\end{bmatrix}\] , find x satisfying 0 < x < \[\frac{\pi}{2}\] when A + AT = I

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

If A = [aij] is a skew-symmetric matrix, then write the value of  \[\sum_i \sum_j\]  aij.

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined

Find the values of x and y, if \[2\begin{bmatrix}1 & 3 \\ 0 & x\end{bmatrix} + \begin{bmatrix}y & 0 \\ 1 & 2\end{bmatrix} = \begin{bmatrix}5 & 6 \\ 1 & 8\end{bmatrix}\]

[3] Matrices
Chapter: [3] Matrices
Concept: undefined >> undefined
< prev  8121 to 8140 of 8245  next > 
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