Question

if p/q is a rational number, then the prime factorisation of q is a form of ​

Answer 1

Answer:

Here's the answer. ' Real Numbers' in your NCERT textbook. Thereafter, it's quite simple. Since, a rational number 'x', expressed as p/q, where the prime factorisation of q is of the form 2^n5^m, is having a terminating decimal expansion

Step-by-step explanation:

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Answer 2

Answer:

If q is not of the form 2

n

∗5

m

then definitely q can take any of the values 3,6,9,12,15,...etc.

As we know 4/3,20/6 all are non-terminating, thus required decimal expansion is non terminating.