In $\frac{p}{q}$ form of rational number why $q$ is not equal to $0$.



Solution:

Every rational number in the form $( \frac{p}{q})$ can be expressed as either a terminating decimal or a non-terminating and recurring decimal.

If $q=0$ then $( \frac{p}{q})$ neither terminating nor recurring.

So $q$ is not equal to $0$.


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