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Class 10 Mathematics Polynomials Representing real numbers on the number lineHard

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Which option correctly gives the position of (2-\sqrt{5}) on the number line?

Answer and explanation

Correct answer: Between (-1) and (0)

( \sqrt{5}\approx2.236), so (2-\sqrt{5}\approx-0.236). Estimation is fastest for subtraction with roots.

Related tags

Number-Line Root-Expression Interval Representing Real Numbers On The Number Line Polynomials Mathematics Class 10 Mcq

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