Question

Which of the following expression is closed under addition of rational numbers?
O v2 + v2
OMAH
0 V3 + 1
O V2+v4​

Answer 1

Step-by-step explanation:

For any two rational numbers a and b,

(a+b),(a−b),(b−a) & (a×b) are all rational numbers.

Thus, rational numbers are closed under addition, subtraction and multiplication.