If a matrix has 4 elements, what are the possible order it can have ? - Mathematics

If a matrix has 4 elements, what are the possible order it can have?

Sum

It can have 1 × 4, 4 × 1 or 2 × 2 order.

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Chapter 8: Matrices - Exercise 8.1

Chapter 8 Matrices
Exercise 8.1 | Q 2.1

If A = `[(8, -3)]` and B = `[(4, -5)]`; find B – A

If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find A + B – C

Given : M = `[(5, -3),(-2, 4)]`, find its transpose matrix M^t. If possible, find M + M^t

Find the values of x and y, if `|(3"x" - "y"),(5)| = |(7) , ("x + y")|`

If A = `[(1,2), (1,3)]`, find A² - 3A

Find the adjoint of the matrix `"A" = [(2,-3),(3,5)]`

If A = `[(1,1),(2,2)] , "B" = [(1,2),(3,4)]` then find |AB|.

`[(3),(0),(-1)]`

Construct a 2 x 2 matrix whose elements a_ij are given by a_ij = i.j

If A = `[(5, -2),(7, -0)]` and B = `[(8),(3)]`, then which of the following is not possible?