Question
$y = {x^{\ln x}}$ का अवकलज है
==> $\frac{1}{y}\frac{{dy}}{{dx}} = \frac{{2\ln x}}{x}$
==> $\frac{{dy}}{{dx}} = y\frac{{2\ln x}}{x} = \frac{{2({x^{\ln x}})\ln x}}{x}$
==> $\frac{{dy}}{{dx}} = 2{x^{\ln x - 1}}\ln x$.
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| अंक | $2$ | $3$ | $5$ | $7$ |
| बारंबारता | $( x +1)^{2}$ | $2 x -5$ | $x ^{2}-3 x$ | $x$ |
तो अंकों का माध्य है