Advertisements
Advertisements
प्रश्न
State, with reason, whether the following is true or false. A, B and C are matrices of order 2 × 2.
A2 – B2 = (A + B) (A – B)
पर्याय
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Laws of algebra for factorization and expansion are not applicable to matrices.
संबंधित प्रश्न
Find the inverse of the matrix A=`[[1,2],[1,3]]` using elementry transformations.
Find cofactors of the elements of the matrix A = `[(-1, 2),(-3, 4)]`.
Classify the following matrix :
`|(800),(521)|`
If A = `[(1,1),(2,2)] , "B" = [(1,2),(3,4)]` then find |AB|.
`[(0, 0, 0),(0, 0, 0)]`
Choose the correct answer from the given four options :
If A = [aij]2×2 where aij = i + j, then A is equal to
Construct a matrix A = [aij]3 × 2 whose element aij is given by
aij = `(("i" - "j")^2)/(5 - "i")`
Construct a matrix A = [aij]3 × 2 whose element aij is given by
aij = i – 3j
I2 is the matrix ____________.
Event A: Order of matrix A is 3 × 5.
Event B: Order of matrix B is 5 × 3.
Event C: Order of matrix C is 3 × 3.
Product of which two matrices gives a square matrix.
