Question

(
7.
Which one is rational number:
(a) 0.123456.......... (b) 23


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Answer 1

Answer:

there are given two options 23 is not a perfect square therefore it is not a rational number it is irrational number so there must be your another option that is (a ).

Answer 2

(a) C₁₀=0.12345678910... is the

Champernowne's constant which has been proven to be irrational and transcendental simultaneously.

Therefore, C₁₀≠ p/q

whereas;

(b) 23 is a rational number.

And, 23 = 23/1