Menu Close

Category: None

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…