Advertisements
Advertisements
प्रश्न
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
(B . C) . A = B . (C . A)
पर्याय
True
False
उत्तर
This statement is True.
Explanation:
Multiplication of matrices is associative.
APPEARS IN
संबंधित प्रश्न
Find the values of a, b, c and d, if `|("a + 3b", 3"c" + "d"),(2"a" - "b" , "c" - 2"d")| = |(5 , 8),(3 , 5)|`
If A = `|(1,9,4),(5 , 0 , 3)|` find A'
If P = `|(8,5),(7,2)|` find P - Pt
Evaluate the following :
`|(1 , 1),(2 , 3)| |(2 , 1),(1 , 4)|`
Find the inverse of the matrix `[ (1, 2, 3), (1, 1, 5), (2, 4, 7)]` by using the adjoint method.
`
Solve the following minimal assignment problem :
Machines | Jobs | ||
I | II | III | |
M1 | 1 | 4 | 5 |
M2 | 4 | 2 | 7 |
M3 | 7 | 8 | 3 |
If `"A" = [(1,2,-3),(5,4,0)] , "B" = [(1,4,3),(-2,5,0)]`, then find 2A + 3B.
`[(2 , 7, 8),(-1 , sqrt(2), 0)]`
If a matrix has 4 elements, what are the possible order it can have?
If a matrix has 8 elements, what are the possible order it can have?