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Question Number 110954 by mathmax by abdo last updated on 01/Sep/20

$$\mathrm{verify}\mathrm{the}\mathrm{formulae}$$$$\sum _{\mathrm{n}=-\mathrm{\infty }}^{+\mathrm{\infty }}\frac{1}{{(\mathrm{na}+1)}^{\mathrm{p}}}=-\frac{\pi }{{\mathrm{a}}^{\mathrm{n}}}{\lim }_{\mathrm{z}\to -\frac{1}{\mathrm{a}}}\frac{1}{(\mathrm{p}-1)!}{\left\{\mathrm{cotan}\left(\pi \mathrm{z}\right)\right\}}^{(\mathrm{p}-1)}$$$$\mathrm{inthis}\mathrm{case}1)\mathrm{a}=1\mathrm{and}\mathrm{p}=2$$$$2)\mathrm{a}=2\mathrm{and}\mathrm{p}=2$$$$3)\mathrm{a}=2\mathrm{and}\mathrm{p}=3$$$$4)\mathrm{a}=3\mathrm{and}\mathrm{p}=2$$

Answered by mathmax by abdo last updated on 01/Sep/20

$$\mathrm{sorry}-\frac{\pi }{{\mathrm{a}}^{\mathrm{p}}}$$

Commented by khaki last updated on 01/Sep/20

please solve one quation evaluate the integral. ax+b/ax2+bx+c

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