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Is-that-right-IF-k-1-n-n-k-n-1-k-2-so-n-is-a-prime-number-

Question Number 182934 by moh777 last updated on 17/Dec/22 $$\:\:\:\:\:\:\:\:{Is}\:{that}\:{right}\:! \\ $$$$\:\:\:\:{IF}\:\::\: \\ $$$$\underset{{k}\:=\:\mathrm{1}} {\overset{{n}} {\sum}}\:\left(\lfloor\frac{{n}}{{k}}\rfloor−\lfloor\frac{{n}−\mathrm{1}}{{k}}\rfloor\right)\:=\:\mathrm{2} \\ $$$$\:\:\:{so}\:{n}\:{is}\:{a}\:{prime}\:{number}\:. \\ $$ Answered by dre23 last updated…

2-3-2-27-2-75-2-147-2-243-2-363-2-507-2-675-2-867-

Question Number 117391 by Dwaipayan Shikari last updated on 11/Oct/20 $$\sqrt{\frac{\mathrm{2}}{\mathrm{3}}}−\sqrt{\frac{\mathrm{2}}{\mathrm{27}}}+\sqrt{\frac{\mathrm{2}}{\mathrm{75}}}−\sqrt{\frac{\mathrm{2}}{\mathrm{147}}}+\sqrt{\frac{\mathrm{2}}{\mathrm{243}}}−\sqrt{\frac{\mathrm{2}}{\mathrm{363}}}+\sqrt{\frac{\mathrm{2}}{\mathrm{507}}}−\sqrt{\frac{\mathrm{2}}{\mathrm{675}}}+\sqrt{\frac{\mathrm{2}}{\mathrm{867}}}−._{} … \\ $$ Answered by Olaf last updated on 11/Oct/20 $$\mathrm{S}_{\infty} \:=\:\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\left(−\mathrm{1}\right)^{{n}+\mathrm{1}}…

Express-1-2-in-terms-of-infinite-series-

Question Number 117365 by Dwaipayan Shikari last updated on 11/Oct/20 $${Express}\:\left(\frac{\mathrm{1}}{\mathrm{2}}\right)!\:\:{in}\:{terms}\:{of}\:{infinite}\:{series} \\ $$ Commented by Dwaipayan Shikari last updated on 11/Oct/20 $$\left(\frac{\mathrm{1}}{\mathrm{2}}\right)!=\frac{\sqrt{\pi}}{\mathrm{2}} \\ $$$$\mathrm{1}−\frac{\mathrm{1}}{\mathrm{3}}+\frac{\mathrm{1}}{\mathrm{5}}−\frac{\mathrm{1}}{\mathrm{7}}+\frac{\mathrm{1}}{\mathrm{9}}−…=\frac{\pi}{\mathrm{4}} \\…

A-person-wants-to-invite-his-6-friends-in-a-Dinner-party-He-has-3-person-to-send-letter-to-them-In-how-many-ways-he-can-invite-his-6-friends-

Question Number 117286 by Dwaipayan Shikari last updated on 10/Oct/20 $${A}\:{person}\:{wants}\:{to}\:{invite}\:{his}\:\mathrm{6}\:{friends}\:{in}\:{a}\:{Dinner}\:{party}. \\ $$$${He}\:{has}\:\mathrm{3}\:{person}\:{to}\:{send}\:{letter}\:{to}\:{them}.{In}\:{how}\:{many}\:{ways} \\ $$$${he}\:{can}\:{invite}\:{his}\:\mathrm{6}\:{friends}? \\ $$ Answered by mr W last updated on 10/Oct/20…

What-is-the-value-of-this-infinite-sum-1-2-1-3-1-2-2-1-3-2-1-2-3-1-3-3-

Question Number 182810 by Mastermind last updated on 14/Dec/22 $$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{this}\:\mathrm{infinite}\:\mathrm{sum} \\ $$$$\left(\frac{\mathrm{1}}{\mathrm{2}}−\frac{\mathrm{1}}{\mathrm{3}}\right)+\left(\frac{\mathrm{1}}{\mathrm{2}^{\mathrm{2}} }−\frac{\mathrm{1}}{\mathrm{3}^{\mathrm{2}} }\right)+\left(\frac{\mathrm{1}}{\mathrm{2}^{\mathrm{3}} }−\frac{\mathrm{1}}{\mathrm{3}^{\mathrm{3}} }\right)+… \\ $$$$ \\ $$$$ \\ $$ Answered by JDamian…

write-an-8085-mp-assembly-language-program-to-separate-even-numbers-from-a-list-of-10-numbers-and-store-them-in-another-list-starting-from-2300H-assume-starting-address-of-10-numbers-list-is-2200H

Question Number 182803 by ali009 last updated on 14/Dec/22 $${write}\:{an}\:\mathrm{8085}\:{mp}\:{assembly}\:{language}\:{program} \\ $$$${to}\:{separate}\:{even}\:{numbers}\:{from}\:{a}\:{list}\:{of} \\ $$$$\mathrm{10}\:{numbers}\:{and}\:{store}\:{them}\:{in}\:{another} \\ $$$${list}\:{starting}\:{from}\:\left(\mathrm{2300}{H}\right).\:{assume}\:{starting} \\ $$$${address}\:{of}\:\mathrm{10}\:{numbers}\:{list}\:{is}\:\left(\mathrm{2200}{H}\right). \\ $$ Terms of Service Privacy Policy…