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Real Numbers — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsReal Numbers3 Marks
Question
Short-Answer Questions:
Explain why 0.15015001500015... is an irrational number.
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Answer

The numbers which when expressed in decimal form are expressible as non-terminating and non-repeating decimals are known as irrational numbers.
Clearly, 0.15015001500015... is a non-terminating and non-repeating decimal.
Hence, it is irrational.

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