Question

Of the four numbers which is a rational number? (a) (root 5-1/root5)³ (b) 2.123123... (c)2.1232123... (d) (root3-root3) (square root3+root 3)

Answer 1

Answer:

D is your answer.

This is because its value is zero.

Answer 2

Answer:

D is the correct answer

(√3-√3) (√3+√3) = 0 which is a rational number