Mathematics · 2015
JEE Main · 11 April 2015, Shift 1 · Q72
Let k and K be the minimum and the maximum values of the function f(x)=((1+x)^0.6)/(1+x^0.6) in [0,1] respectively, then the ordered pair ( k, K ) is…
Let $\displaystyle k$ and $\displaystyle K$ be the minimum and the maximum values of the function $\displaystyle f(x)=\frac{(1+x)^{0.6}}{1+x^{0.6}}$ in $\displaystyle [0,1]$ respectively, then the ordered pair $\displaystyle (\mathrm{k}, \mathrm{K})$ is equal to :
Official answer
(4)
$\displaystyle \left(2^{-0.4}, 1\right)$
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JEE Main 2015 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.