Question Number 69293 by A8;15: last updated on 22/Sep/19 Commented by MJS last updated on 22/Sep/19 $$\mathrm{great},\:\mathrm{you}'\mathrm{ve}\:\mathrm{been}\:\mathrm{faster}\:\mathrm{than}\:\mathrm{me} \\ $$$$\mathrm{but}\:\mathrm{also}\:{x}=\mathrm{0}\:\mathrm{is}\:\mathrm{a}\:\mathrm{solution} \\ $$ Commented by Rasheed.Sindhi last…
Question Number 134817 by bramlexs22 last updated on 07/Mar/21 $$ \\ $$What is the maximum value of abc if a+b+c = 5 and ab+bc+ca =…
Question Number 69276 by mr W last updated on 22/Sep/19 $${f}\left({x}\right)=\underset{{k}=\mathrm{1}} {\overset{{n}} {\sum}}\mid{x}+{k}\mid \\ $$$$\left(\mathrm{1}\right)\:{find}\:{the}\:{values}\:{of}\:{x}\:{such}\:{that}\:{f}\left({x}\right)\: \\ $$$${is}\:{minumum}. \\ $$$$\left(\mathrm{2}\right)\:{fund}\:{the}\:{roots}\:{of}\:{f}\left({x}\right)−{m}=\mathrm{0} \\ $$$$ \\ $$$${as}\:{example}\:{you}\:{can}\:{set}\:{n}=\mathrm{100},\:{m}=\mathrm{2500}. \\ $$…
Question Number 3734 by prakash jain last updated on 19/Dec/15 $$\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}\:\frac{{n}}{\mathrm{2}^{{n}} }=? \\ $$ Answered by prakash jain last updated on 19/Dec/15 $${a}_{{n}}…
Question Number 3735 by prakash jain last updated on 19/Dec/15 $$\mathrm{Prove} \\ $$$$\underset{{m}=\mathrm{0}} {\overset{\infty} {\sum}}\:\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}\:\frac{{mn}}{\mathrm{2}^{{m}+{n}} }=\mathrm{4} \\ $$ Commented by prakash jain last…
Question Number 3716 by Yozzii last updated on 19/Dec/15 $$\underset{{m}=\mathrm{0}} {\overset{\infty} {\sum}}\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}\frac{{m}+{n}+{mn}}{\mathrm{2}^{{m}} \left(\mathrm{2}^{{m}} +\mathrm{2}^{{n}} \right)}=?\: \\ $$$$\left({Not}\:{originally}\:{produced}\:{by}\:{me}.\right) \\ $$ Commented by prakash jain…
Question Number 134782 by oooooooo last updated on 07/Mar/21 $$\mathrm{1},\mathrm{4},\mathrm{16},\mathrm{52},\mathrm{196},… \\ $$$$\mathrm{X}_{\mathrm{n}} =\:??? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
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Question Number 3693 by Rasheed Soomro last updated on 19/Dec/15 $$\mathcal{E}{very}\:{equation}\:{of}\:{x},{y}\:{has}\:{a}\:{curve}\:{in}\:{a}\:{plane}. \\ $$$$\mathcal{D}{oes}\:{every}\:{curve}\:{in}\:{a}\:{plane}\:{has}\:{an}\:{equation}? \\ $$ Commented by 123456 last updated on 19/Dec/15 $$\mathrm{i}\:\mathrm{think}\:\mathrm{the}\:\mathrm{answer}\:\mathrm{is}\:\mathrm{yes} \\ $$$$\mathrm{lets}\:{f}:\mathbb{R}^{\mathrm{2}}…