Question

1. B= {x/x² =25} can be written in Roster method as​

Answer 1

I don't no bro sorry you will try next time

Answer 2

Answer:

Step-by-step explanation:

First thing analyze the given data. x ϵ N that implies x is a natural number.

x2 < 25

⇒ x < ±5

As x belongs to the natural number that means x < 5.

All numbers less than 5 are 1,2,3,4.

∴ Roster form will be {1,2,3,4}.

think or will help u....