Question

π ही संख्या अपरिमेय आहे पण त्याची किंमत अंदाजे २२/७ किंवा ३.१४ ह्या संख्या प्रतिमेय का आहेत?

Please give correct answer
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Answer 1

Given : π   is irrational

Approximate value of pi   are 22/7  and 3.14

To Find : are  these rational  or irrational

Solution:

Real numbers are divided in 2 categories rational and irrational

Rational number are those numbers which can be written as p/q form

where p , q are integers and q ≠ 0

rest all real numbers are irrationals

π   is irrational

But 22/7  is  p/q form  p = 22 and q  = 7  ≠ 0

Hence Rational number

3.14

= 314/100

= 157/50     is  p/q form  p = 157and q  = 50  ≠ 0

Hence Rational number

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