Advertisements
Advertisements
Question
Wherever possible, write the following as a single matrix.
`[(1, 2),(3, 4)] + [(-1, -2),(1, -7)]`
Advertisements
Solution
`[(1, 2),(3, 4)] + [(-1, -2),(1, -7)]`
= `[(1 - 1, 2 - 2),(3 + 1, 4 - 7)]`
= `[(0, 0),(4, -3)]`
APPEARS IN
RELATED QUESTIONS
The bookshop of a particular school has 10 dozen chemistry books, 8 dozen physics books, 10 dozen economics books. Their selling prices are Rs 80, Rs 60 and Rs 40 each respectively. Find the total amount the bookshop will receive from selling all the books using matrix algebra.
State, whether the following statement is true or false. If false, give a reason.
Transpose of a 2 × 1 matrix is a 2 × 1 matrix.
State, whether the following statement is true or false. If false, give a reason.
Transpose of a square matrix is a square matrix.
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
(A – B)2 = A2 – 2A . B + B2
If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find A – B + C
Classify the following rnatrix :
`|(2,1),(0 , 6),(8 , 7) |`
If B = `|(15 , 13),(11,12),(10,17)|` , find the transpose of matrix Band If possible find the sum of the two matrices. If not possible state the reason.
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), (2,k,2), (5,7,3)]` is a singular matrix then find the value of 'k'.
Construct a matrix A = [aij]3 × 2 whose element aij is given by
aij = `(("i" - "j")^2)/(5 - "i")`
