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In the proof of (\sqrt{5}), if finally (p=5m) and (q=5n) are obtained, what is the most accurate comment on the lowest form of (\frac{p}{q})?

Answer and explanation

Correct answer: It cannot be in lowest form because it can be reduced by (5)

Step 1: If (p=5m) and (q=5n), both numerator and denominator have common factor (5). Step 2: So (\frac{p}{q}=\frac{5m}{5n}=\frac{m}{n}), meaning the fraction can be reduced. Step 3: This contradicts the lowest-form assumption, so (\sqrt{5}) is proved irrational.

Related tags

Sqrt5 ProofLowest FormHardClass 10Proof Of Irrationality Of √2√3√5Proof Of Irrationality Of 2 3 5Real NumbersMathematics

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