વિધેયનું સંકલન કરો : $\frac{1}{x^{2}\left(x^{4}+1\right)^{\frac{3}{4}}}$

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$I = \int \frac{1}{x^{2}\left(x^{4}+1\right)^{\frac{3}{4}}} dx$ નું સંકલન કરવા માટે,આપણે પદાવલિને નીચે મુજબ લખીએ.
$x^{-3}$ વડે ગુણતા અને ભાગતા:
$I = \int \frac{x^{-3}}{x^{2} x^{-3}\left(x^{4}+1\right)^{\frac{3}{4}}} dx = \int \frac{x^{-3}}{x^{-1}\left(x^{4}+1\right)^{\frac{3}{4}}} dx$
પદાવલિને ફરીથી ગોઠવતા:
$I = \int \frac{x^{-3}}{\left(x^{4}\left(1+\frac{1}{x^{4}}\right)\right)^{\frac{3}{4}}} dx = \int \frac{x^{-3}}{x^{3} \left(1+\frac{1}{x^{4}}\right)^{\frac{3}{4}}} dx = \int x^{-6} \left(1+\frac{1}{x^{4}}\right)^{-\frac{3}{4}} dx$
ધારો કે $u = 1 + \frac{1}{x^{4}}$. તો $du = -4x^{-5} dx$,એટલે કે $x^{-5} dx = -\frac{du}{4}$.
$I = -\frac{1}{4} \int u^{-3/4} du = -\frac{1}{4} \left( \frac{u^{1/4}}{1/4} \right) + C = -u^{1/4} + C$
$u$ ની કિંમત પાછી મૂકતા:
$I = -\left(1+\frac{1}{x^{4}}\right)^{\frac{1}{4}} + C$

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