Question

Amit, Biraj, and Chirag were given the task of creating a square matrix of order 2.
Below are the matrices created by them. A, B, C are the matrices created by Amit, Biraj, and Chirag respectively.

`"A" = [(1,2),(-1,3)] "B" = [(4,0),(1,5)] "C" = [(2,0),(1,-2)]`

If a = 4 and b = -2, based on the above information answer the following:

• (a + b)B is equal to ____________.

Options

• `[(0,8),(10,2)]`

• `[(2,10),(8,0)]`

• `[(8,0),(2,10)]`

• `[(2,0),(8,10)]`

Answer 1

(a + b)B is equal to `underline([(8,0),(2,10)])`.