Question

2. Simplify:
3
1
1
(i) – +
7 21 14​

Answer 1

Step-by-step explanation:

you mean

7-21+14

14+7=21

21-21=0ans

Answer 2

Answer:

 I think (i) 7- 21 +14

              = 21-21

               = 0 (answer)