Question Number 125424 by joki last updated on 11/Dec/20
Answered by bramlexs22 last updated on 11/Dec/20
$$\int\:\frac{{d}\left({x}^{\mathrm{2}} +\mathrm{1}\right)}{\mathrm{2}\left({x}^{\mathrm{2}} +\mathrm{1}\right)^{\mathrm{2}} }\:=\:\frac{\mathrm{1}}{\mathrm{2}}\int\:\left({x}^{\mathrm{2}} +\mathrm{1}\right)^{−\mathrm{2}} {d}\left({x}^{\mathrm{2}} +\mathrm{1}\right) \\ $$$$=\:−\frac{\mathrm{1}}{\mathrm{2}\left(\boldsymbol{{x}}+\mathrm{1}\right)}\:+\:\boldsymbol{{c}}\: \\ $$
Answered by Ñï= last updated on 11/Dec/20
