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In the irrationality proof of (\sqrt{3}), which reasoning is strongest while writing (3\mid p) from (3\mid p^2)?

Answer and explanation

Correct answer: Because (3) is prime and a prime factor in a square also appears in the base

Step 1: From (p^2=3q^2), we get (3\mid p^2). Step 2: Since (3) is prime, (3\mid p) is a valid conclusion. Step 3: Do not say only odd; mention primality for a complete proof.

Related tags

Real-NumbersRoot3Prime-DivisibilityProof-DetailProof Of Irrationality Of √2√3√5Proof Of Irrationality Of 2 3 5Real NumbersMathematics

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