Advertisements
Advertisements
Question
If M =`|(8,3),(9,7),(4,3)|` and N = `|(4,7),(5,3),(10,1)|` find M - N
Advertisements
Solution
M =`|(8,3),(9,7),(4,3)|_(3 xx 2)` N = `|(4,7),(5,3),(10,1)|_(3 xx 2)`
M - N = `|(8-4 , 3-7),(9-5 , 7-3),(4+10 , 3+1)|` = `|(4 , -4),(4 , 4),(-6 , 2)|`
APPEARS IN
RELATED QUESTIONS
State, whether the following statement is true or false. If false, give a reason.
A column matrix has many columns and only one row.
Find cofactors of the elements of the matrix A = `[(-1, 2),(-3, 4)]`.
Find the values of x and y, if `|(3"x" - "y"),(5)| = |(7) , ("x + y")|`
Evaluate the following :
`|(2,1) ,(3,2),(1 , 1)| |(1 , -2 , 1),(2 , 1 , 3)|`
If A = `|(1,3),(3,2)|` and B = `|(-2,3),(-4,1)|` find AB
If A = `|(1,3),(3,2)|` and B = `|(-2 , 3),(-4 , 1)|` find BA
Solve the following minimal assignment problem :
| Machines | Jobs | ||
| I | II | III | |
| M1 | 1 | 4 | 5 |
| M2 | 4 | 2 | 7 |
| M3 | 7 | 8 | 3 |
The construction of demand line or supply line is the result of using
I2 is the matrix ____________.
If A is a matrix of order m × 3, B is a matrix of order 3 × 2 and R is a matrix of order 5 × n such that AB = R, the value of m and n are ______.
