Hello
For part (i) - Do R1 -> R1 - R2
For part (ii) Do R1 -> R1 + R2 + R3
Then take out first row common
You will get your answer.
Written on March 16, 2020, 7:42 p.m.
Hello
For part (i) - Do R1 -> R1 - R2
For part (ii) Do R1 -> R1 + R2 + R3
Then take out first row common
You will get your answer.
Written on March 16, 2020, 7:42 p.m.