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1-2-2-1-1-2-10-3-2-

Question Number 127078 by amns last updated on 26/Dec/20 $$\frac{\frac{\frac{\mathrm{1}}{\mathrm{2}}}{\:\sqrt{\mathrm{2}}}}{\frac{\frac{\frac{\mathrm{1}\:+\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}}}{\mathrm{10}}}{\mathrm{3}}}{\mathrm{2}}}\:=\:? \\ $$ Commented by hknkrc46 last updated on 26/Dec/20 $$\left(\frac{\mathrm{1}}{\mathrm{2}}\::\:\sqrt{\mathrm{2}}\right)\::\:\left[\left(\mathrm{1}\:+\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}}\right)\::\:\mathrm{10}\::\:\mathrm{3}\::\:\mathrm{2}\right] \\ $$$$=\:\left(\frac{\mathrm{1}}{\mathrm{2}}\:\centerdot\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}}\right)\::\:\left[\frac{\sqrt{\mathrm{2}}\:+\:\mathrm{1}}{\:\sqrt{\mathrm{2}}}\:\centerdot\:\frac{\mathrm{1}}{\mathrm{10}}\:\centerdot\:\frac{\mathrm{1}}{\mathrm{3}}\:\centerdot\:\frac{\mathrm{1}}{\mathrm{2}}\right] \\ $$$$=\:\frac{\mathrm{1}}{\mathrm{2}}\:\centerdot\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}}\:\centerdot\:\frac{\sqrt{\mathrm{2}}}{\:\sqrt{\mathrm{2}}\:+\:\mathrm{1}}\:\centerdot\:\frac{\mathrm{10}}{\mathrm{1}}\:\centerdot\:\frac{\mathrm{3}}{\mathrm{1}}\:\centerdot\:\frac{\mathrm{2}}{\mathrm{1}} \\…

let-k-be-natural-number-defined-s-k-as-the-sum-of-the-infinite-series-s-k-k-2-1-k-0-k-2-1-k-1-k-2-1-k-2-find-the-value-of-k-1-s-k-2-k-1-

Question Number 192608 by York12 last updated on 22/May/23 $${let}\:{k}\:{be}\:{natural}\:{number}.\:{defined}\:{s}_{{k}} \:{as}\:{the} \\ $$$${sum}\:{of}\:{the}\:{infinite}\:{series}\:{s}_{{k}} =\frac{{k}^{\mathrm{2}} −\mathrm{1}}{{k}^{\mathrm{0}} }\:+\:\frac{{k}^{\mathrm{2}} −\mathrm{1}}{{k}^{\mathrm{1}} }\:+\:\frac{{k}^{\mathrm{2}} −\mathrm{1}}{{k}^{\mathrm{2}} }\:+… \\ $$$${find}\:{the}\:{value}\:{of}\:\underset{{k}=\mathrm{1}} {\overset{\infty} {\sum}}\:\left[\frac{{s}_{{k}} }{\mathrm{2}^{{k}−\mathrm{1}}…

many-people-say-that-the-0-0-is-an-uninfinity-ones-of-them-say-that-0-0-is-infinity-and-equal-to-1-what-do-you-think-wich-ones-of-them-say-right-

Question Number 192604 by sciencestudentW last updated on 22/May/23 $${many}\:{people}\:{say}\:{that}\:{the}\:\mathrm{0}^{\mathrm{0}\:} {is}\:{an}\:{uninfinity} \\ $$$${ones}\:{of}\:{them}\:{say}\:{that}\:\mathrm{0}^{\mathrm{0}} \:{is}\:{infinity}\:{and}\:{equal}\:{to}\:\mathrm{1}! \\ $$$${what}\:{do}\:{you}\:{think}\:{wich}\:{ones}\:{of}\:{them} \\ $$$${say}\:{right}? \\ $$ Commented by Frix last updated…

proof-that-0-0-1-without-limit-

Question Number 192606 by sciencestudentW last updated on 22/May/23 $${proof}\:{that}\:\mathrm{0}^{\mathrm{0}} =\mathrm{1}\:{without}\:{limit}! \\ $$ Commented by Frix last updated on 22/May/23 $$\mathrm{There}'\mathrm{s}\:\mathrm{no}\:\mathrm{proof}\:\mathrm{as}\:\mathrm{it}'\mathrm{s}\:\mathrm{a}\:\mathrm{matter}\:\mathrm{of} \\ $$$$\mathrm{definition}.\:\mathrm{I}\:\mathrm{tried}\:\mathrm{to}\:\mathrm{explain}\:\mathrm{but}\:\mathrm{maybe} \\ $$$$\mathrm{you}\:\mathrm{need}\:\mathrm{to}\:\mathrm{learn}\:\mathrm{more}\:\mathrm{before}\:\mathrm{you}\:\mathrm{can}…

a-1-a-2-a-3-a-n-is-a-sequence-satifies-that-a-n-2-a-n-1-a-n-for-n-1-suppose-the-sum-of-the-first-999-terms-1003-and-the-sum-of-the-first-1003-terms-999-find-the-

Question Number 192597 by York12 last updated on 22/May/23 $${a}_{\mathrm{1}\:} \:,\:{a}_{\mathrm{2}} \:,\:{a}_{\mathrm{3}\:} \:,\:….\:,\:{a}_{{n}} \:{is}\:{a}\:{sequence}\:{satifies}\:{that} \\ $$$${a}_{{n}+\mathrm{2}} ={a}_{{n}+\mathrm{1}} −{a}_{{n}} \:{for}\:{n}\:\geq\:\mathrm{1}.\:{suppose}\:{the}\:{sum}\: \\ $$$${of}\:{the}\:{first}\:\mathrm{999}\:{terms}\:=\:\mathrm{1003}\:{and}\:{the}\:{sum} \\ $$$${of}\:{the}\:{first}\:\mathrm{1003}\:{terms}\:=\:−\mathrm{999}\:{find}\:{the}\: \\ $$$${sum}\:{of}\:{the}\:{first}\:\mathrm{2002}\:{terms}.…