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perimeter-of-a-squre-112m-what-is-its-area-

Question Number 27403 by sirigidiravikumar@gmail.com last updated on 06/Jan/18 $${perimeter}\:{of}\:{a}\:{squre}\:\mathrm{112}{m}.{what}\:{is}\:{its}\:{area}.. \\ $$ Answered by Rasheed.Sindhi last updated on 06/Jan/18 $$\mathrm{side}\:\mathrm{of}\:\mathrm{square}=\frac{\mathrm{112}}{\mathrm{4}}=\mathrm{28}\:\mathrm{m} \\ $$$$\mathrm{Area}=\mathrm{28}^{\mathrm{2}} =\mathrm{784}\:\mathrm{sq}.\:\mathrm{meters} \\ $$…

5-243-2-

Question Number 27402 by sirigidiravikumar@gmail.com last updated on 06/Jan/18 $$\mathrm{5}\sqrt{\mathrm{243}^{\mathrm{2}} \:} \\ $$ Answered by Joel578 last updated on 06/Jan/18 $$\mathrm{5}\:.\:\sqrt{\left(\mathrm{243}\right)^{\mathrm{2}} }\:=\:\mathrm{5}\:.\:\left(\mathrm{243}\right)^{\frac{\mathrm{2}}{\mathrm{2}}} \:=\:\mathrm{1215} \\ $$$$…

n-1-1-n-1-n-2-

Question Number 27388 by macanudo last updated on 06/Jan/18 $$\underset{\mathrm{n}=\mathrm{1}} {\overset{\infty} {\sum}}\:\frac{\left(−\mathrm{1}\right)^{\mathrm{n}+\mathrm{1}} }{\mathrm{n}^{\mathrm{2}} }\:\: \\ $$ Commented by abdo imad last updated on 06/Jan/18 $$=\:\sum_{{n}=\mathrm{2}{p}}…

what-is-string-theory-

Question Number 92921 by  M±th+et+s last updated on 09/May/20 $${what}\:{is}\:{string}\:{theory} \\ $$ Commented by prakash jain last updated on 09/May/20 $$\mathrm{It}\:\mathrm{is}\:\mathrm{related}\:\mathrm{to}\:\mathrm{theoritical}\:\mathrm{physics}. \\ $$$$\mathrm{Quantum}\:\mathrm{Gravity}\:\mathrm{etc}.\: \\ $$$$\mathrm{It}\:\mathrm{is}\:\mathrm{purely}\:\mathrm{theoritical}\:\mathrm{and}\:…

prove-d-dx-sec-2-pi-4-2-

Question Number 158453 by zakirullah last updated on 04/Nov/21 $${prove}\:\frac{{d}}{{dx}}{sec}^{\mathrm{2}} \frac{\pi}{\mathrm{4}}\:=\:\mathrm{2} \\ $$ Commented by yeti123 last updated on 04/Nov/21 $$\frac{{d}}{{dx}}\left(\mathrm{sec}^{\mathrm{2}} \left(\pi/\mathrm{4}\right)\right)\:=\:\frac{{d}}{{dx}}\left(\mathrm{2}\right)\:=\:\mathrm{0} \\ $$ Commented…

z-3-7-6i-z-2-3-1-9i-z-2-7-9i-0-Resolve-the-equation-E-sachet-that-the-stop-image-one-any-solution-behoves-thru-the-righ-t-equation-y-x-

Question Number 158417 by LEKOUMA last updated on 03/Nov/21 $${z}^{\mathrm{3}} −\left(\mathrm{7}+\mathrm{6}{i}\right){z}^{\mathrm{2}} +\mathrm{3}\left(\mathrm{1}+\mathrm{9}{i}\right){z}+\mathrm{2}\left(\mathrm{7}−\mathrm{9}{i}\right)=\mathrm{0} \\ $$$${Resolve}\:{the}\:{equation}\:\left({E}\right)\:{sachet}\:{that}\: \\ $$$${the}\:{stop}\:{image}\:\:{one}\:{any}\:{solution}\:{behoves} \\ $$$${thru}\:{the}\:{righ}\:{t}\:{equation}\:{y}={x} \\ $$ Answered by MJS_new last updated…