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JEE Mains · Maths · STD 12 - 6. Application of derivatives

माना \(k\) तथा \(K\), फलन \(f(x)=\frac{(1+x)^{0.6}}{1+x^{0.6}}\) के \([0,1]\) में क्रमशः न्यूनतम तथा अधिकतम मान हैं, तो क्रमित युग्म \(( k , K )\) बराबर है

  1. A \((2^{-0·4}, 1)\)
  2. B \((2^{-0.4}, 2^{0.6})\)
  3. C \((2^{-0·6}, 1)\)
  4. D \(( 1, 2^{0.6})\)
Verified Solution

Answer & Solution

Correct Answer

(A) \((2^{-0·4}, 1)\)

Step-by-step Solution

Detailed explanation

\({\rm{ Let }}f(x) = \frac{{{{(1 + x)}^{\frac{3}{5}}}}}{{1 + {x^{\frac{3}{5}}}}}{\rm{\,\, and }}\,\,x \in [0,1]\)…
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