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Write a Value of ∫ Log E X D X - Mathematics

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प्रश्न

Write a value of\[\int \log_e x\ dx\].

 

योग
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उत्तर

\[\int\]loge x dx
` ∫   1_{II} . log_{e_I   \text{ x   dx } `
 =  \[\log_e x\int1 \text{ dx} - \int\left\{ \frac{d}{dx}\left( \log_e x \right)\int1 \text{ dx} \right\}dx\]
\[\int\]= loge  x   \[\int\] 1 . dx  \[\int\] \[\frac{1}{x} \times x   .   dx\]
= loge x × x – ​\[\int\]dx
=​ x loge x – x + C
=​ x loge x – x + C
x (loge x – 1) + C
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अध्याय 19: Indefinite Integrals - Very Short Answers [पृष्ठ १९७]

APPEARS IN

आरडी शर्मा Mathematics [English] Class 12
अध्याय 19 Indefinite Integrals
Very Short Answers | Q 20 | पृष्ठ १९७

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