Question

Apply the given elementary transformation of the following matrix.

Use suitable transformation on `[(1,2),(3,4)]` to convert it into an upper triangular matrix.

Answer 1

Let A = `[(1,2),(3,4)]`

By R₂ − 3R₁, we get,

A ∼ `[(1,2),(0,-2)]`

This is an upper triangular matrix.