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H-A-P-P-Y-Y-E-A-R-e-i-i-e-

Question Number 184028 by Rasheed.Sindhi last updated on 02/Jan/23 $$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\boldsymbol{\mathrm{H}}^{\boldsymbol{\mathrm{A}}^{\boldsymbol{\mathrm{P}}} \boldsymbol{\mathrm{P}}} \boldsymbol{\mathrm{Y}} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\boldsymbol{\mathrm{Y}}_{\boldsymbol{\mathrm{E}}_{\boldsymbol{\mathrm{A}}} \boldsymbol{\mathrm{R}}} \:! \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\overline {\lfloor\boldsymbol{\mathrm{e}}\rfloor\lfloor\boldsymbol{\mathrm{i}}-\boldsymbol{\mathrm{i}}\rfloor\lfloor\boldsymbol{\mathrm{e}}\rfloor\lfloor\boldsymbol{\pi}\rfloor}\:\: \\ $$ Terms of…

How-many-words-can-be-made-from-5-letters-if-a-all-letters-are-different-b-2-letters-are-identical-c-all-letters-are-different-but-2-partucular-letters-cannot-be-adjacent-M-m-

Question Number 184030 by Mastermind last updated on 02/Jan/23 $$\mathrm{How}\:\mathrm{many}\:\mathrm{words}\:\mathrm{can}\:\mathrm{be}\:\mathrm{made}\: \\ $$$$\mathrm{from}\:\mathrm{5}\:\mathrm{letters}\:\mathrm{if} \\ $$$$\left(\mathrm{a}\right)\:\mathrm{all}\:\mathrm{letters}\:\mathrm{are}\:\mathrm{different} \\ $$$$\left(\mathrm{b}\right)\:\mathrm{2}\:\mathrm{letters}\:\mathrm{are}\:\mathrm{identical} \\ $$$$\left(\mathrm{c}\right)\:\mathrm{all}\:\mathrm{letters}\:\mathrm{are}\:\mathrm{different}\:\mathrm{but}\:\mathrm{2} \\ $$$$\mathrm{partucular}\:\mathrm{letters}\:\mathrm{cannot}\:\mathrm{be} \\ $$$$\mathrm{adjacent}. \\ $$$$ \\…

determinant-determinant-2023-is-a-number-which-is-divisible-by-i-its-sum-of-digits-amp-ii-it

Question Number 184010 by Rasheed.Sindhi last updated on 01/Jan/23 $$\:\:\:\:\:\:\:\:\:\:\underset{\:\underset{\underset{\underset{\underset{\underset{\bullet} {\bullet}} {\boldsymbol{\mathrm{by}}}} {\boldsymbol{\mathrm{which}}\:\boldsymbol{\mathrm{is}}\:\boldsymbol{\mathrm{divisible}}}} {\boldsymbol{\mathrm{a}}\:\boldsymbol{\mathrm{number}}}} {\boldsymbol{\mathrm{is}}^{\:} }} {\begin{array}{|c|}{\:\begin{array}{|c|}{\mathrm{2023}}\\\hline\end{array}\:}\\\hline\end{array}} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\left(\boldsymbol{\mathrm{i}}\right)\boldsymbol{\mathrm{its}}\:\boldsymbol{\mathrm{sum}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{digits}} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\& \\ $$$$\:\:\:\:\:\:\:\left(\boldsymbol{\mathrm{ii}}\right)\boldsymbol{\mathrm{its}}\:\boldsymbol{\mathrm{sum}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{squares}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{digits}} \\ $$…

Question-52818

Question Number 52818 by Tawa1 last updated on 13/Jan/19 Answered by tanmay.chaudhury50@gmail.com last updated on 13/Jan/19 $${V}_{{cart}} =\mathrm{4}{i} \\ $$$$\left({V}^{} \right)_{{cart}} ^{{stone}} ={velocity}\:{of}\:{stone}\:{w}.{r}.{t}\:{man}\left({cart}\right) \\ $$$${V}_{{cart}}…

if-x-y-is-x-y-1-

Question Number 52713 by F_Nongue last updated on 12/Jan/19 $${if}\:\mid{x}\mid=\mid{y}\mid\:{is}\:\frac{{x}}{{y}}=−\mathrm{1}? \\ $$ Commented by maxmathsup by imad last updated on 12/Jan/19 $${if}\:{x}\:{and}\:{y}\:{real}\:\:\:\mid{x}\mid=\mid{y}\mid\:\Leftrightarrow\mid\frac{{x}}{{y}}\mid=\mathrm{1}\:\Leftrightarrow\frac{{x}}{{y}}\:=\mathrm{1}\:{or}\:\frac{{x}}{{y}}\:=−\mathrm{1}\:\left({we}\:{suppose}\:{y}\neq\mathrm{0}\right) \\ $$$${if}\:{xand}\:{y}\:{from}\:{C}\:\:\mid{x}\mid=\mid{y}\mid\:\Leftrightarrow\mid\frac{{x}}{{y}}\:\mid=\mathrm{1}\:\Leftrightarrow\:\exists\theta\:\in{R}\:/\:{x}={y}\:{e}^{{i}\theta} \:\:\:.…

Question-183737

Question Number 183737 by Michaelfaraday last updated on 29/Dec/22 Answered by Frix last updated on 29/Dec/22 $$\mathrm{mod}\:\left(\mathrm{2222}^{\mathrm{6}{k}} ;\:\mathrm{7}\right)\:=\mathrm{1} \\ $$$$\mathrm{mod}\:\left(\mathrm{2222}^{\mathrm{6}{k}+\mathrm{1}} ;\:\mathrm{7}\right)\:=\mathrm{3} \\ $$$$\mathrm{mod}\:\left(\mathrm{2222}^{\mathrm{6}{k}+\mathrm{2}} ;\:\mathrm{7}\right)\:=\mathrm{2} \\…