Advertisements
Advertisements
Question
If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find A – B + C
Advertisements
Solution
A – B + C = `[(2),(5)] - [(1),(4)] + [(6),(-2)]`
= `[(2 - 1 + 6),(5 - 4 - 2)]`
= `[(7),(-1)]`
RELATED QUESTIONS
State, whether the following statement is true or false. If false, give a reason.
The matrices A2 × 3 and B2 × 3 are conformable for subtraction.
Given : M = `[(5, -3),(-2, 4)]`, find its transpose matrix Mt. If possible, find Mt – M
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
(A + B) . C = A . C + B . C
If A = `|(1,3),(3,2)|` and B = `|(-2,3),(-4,1)|` find AB
Find the inverse of the matrix `[ (1, 2, 3), (1, 1, 5), (2, 4, 7)]` by using the adjoint method.
`
If A = `[(7,1), (2,5)]` and B = `[(1,2), (3,-1)]` then verify that |AB| = |A| |B|.
If A = `[(1,1),(2,2)] , "B" = [(1,2),(3,4)]` then find |AB|.
[2 3 – 7]
Construct a matrix A = [aij]3 × 2 whose element aij is given by
aij = `(("i" + "j")^3)/5`
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 ______.
