यदि y = elog (log x) है, तो \(\rm \frac{dy}{dx}\) ज्ञात कीजिए। 

  1. \(\rm \frac 1 x\)
  2. \(\rm \frac {1}{\log x}\)
  3. elog (log x)
  4. इनमें से कोई नहीं 

Answer (Detailed Solution Below)

Option 1 : \(\rm \frac 1 x\)
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Detailed Solution

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संकल्पना:

\(\rm \frac{d(\log x)}{dx} = \frac 1 x\)

गणना:

दिया गया है:  y = elog (log x)

ज्ञात करना है: \(\rm \frac{dy}{dx}\)

चूँकि हम जानते हैं कि, elog x = x

∴ elog (log x) = log x

अब, y = log x

x के संबंध में अवकलन करने पर, हमें निम्न प्राप्त होता है 

\(\rm \frac{dy}{dx}=\rm \frac{d(\log x)}{dx} = \frac 1 x\)

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