Question

How do you perform the row operation `R_2-> R_3` given `[(4,-1,6,-8), (2,4,7,3), (8,1,-9,-2)]`?

Answer 1

Needs more explanation: What do you mean by `R_2->R_3`

Assuming Douglas K is correct: see explanation.

Explanation:

`[(4,-1,6,-8),(8,1,-9,-2),(2,4,7,3)]`