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1 ∫ 0 { X } D X , Where {X} Denotes the Fractional Part of X. - Mathematics

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प्रश्न

\[\int\limits_0^1 \left\{ x \right\} dx,\] where {x} denotes the fractional part of x.  

 
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उत्तर

\[\text{We have}, \]
\[I = \int\limits_0^1 \left\{ x \right\} dx\]
\[\text{We know} \left\{ x \right\} = x, 0 < x < 1\]
\[ \therefore I = \int\limits_0^1 x\ dx\]
\[ = \left[ \frac{x^2}{2} \right]_0^1 \]
\[ = \frac{1}{2} - \frac{0}{2}\]
\[ = \frac{1}{2}\]

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Definite Integrals
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अध्याय 20: Definite Integrals - Very Short Answers [पृष्ठ ११६]

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आरडी शर्मा Mathematics [English] Class 12
अध्याय 20 Definite Integrals
Very Short Answers | Q 39 | पृष्ठ ११६

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