Question
अवकल समीकरण $\frac{{{d^2}y}}{{d{x^2}}} = - \frac{1}{{{x^2}}}$ का हल है
$\frac{{dy}}{{dx}} = \frac{1}{x} + {c_1}$ ==> $y = \log x + {c_1}x + {c_2}$
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$f(n)=n+\frac{16+5 n-3 n^2}{4 n+3 n^2}+\frac{32+n-3 n^2}{8 n+3 n^2}+\frac{48-3 n-3 n^2}{12 n+3 n^2}+\ldots+\frac{25 n-7 n^2}{7 n^2}$
परिभाषित कीजिए। तब $\lim _{ n \rightarrow \infty} f( n )$ का मान है