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A student claims that \(\sqrt{3}=\frac{6}{10}\) because a decimal number close to 3 can be written. What is the error in this claim?

Answer and explanation

Correct answer: \(\frac{6}{10}\) का वर्ग 3 नहीं, बल्कि \(\frac{9}{25}\) है।

\(\frac{6}{10}=\frac{3}{5}\), and \(\left(\frac{3}{5}\right)^2=\frac{9}{25}\), not 3. A number equals \(\sqrt{3}\) only if its square is 3; being close is not enough. Exam tip: square a claimed value to verify it.

Related tags

Number SystemsIrrational NumbersSquare Root 3Misconception AnalysisRational NumbersClass 9 MathematicsProof Of Irrationality Of Square Root 2 And Square Root 3Mathematics

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