Classfy root 21 is rational and irrational
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hello mate here your answer
Step-by-step explanation:
- So √21 can be expressed in the form p/q form. p/q is the reduced form of rational number so p and q have no common factors other than 1, i.e. they are co-prime numbers. ... That is, our assumption that √21 is rational is wrong. Therefore, √21 is irrational.
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