Question

Let x = p/q be a rational number, such that the prime factorization of q is not of the form 2ⁿ 5ᵐ where n and m are non negative integers then x has a decimal expansion which is non - terminating repeating ( recuring)

Answer 1

Answer:

(22×53×72)129

2,5  or 7 is not factor of 129 so fraction is in its simplest form.

and, (22×57×75)2m×5n) in denominator