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Question-166580

Question Number 166580 by mkam last updated on 22/Feb/22 Answered by mahdipoor last updated on 22/Feb/22 $$\left.\mathrm{1}\right) \\ $$$$\Rightarrow\mid{x}\mid\geqslant\mid\mathrm{2}{x}+\mathrm{1}\mid\Rightarrow{x}^{\mathrm{2}} \geqslant\mathrm{4}{x}^{\mathrm{2}} +\mathrm{4}{x}+\mathrm{1}\Rightarrow \\ $$$$\mathrm{0}\geqslant\mathrm{3}{x}^{\mathrm{2}} +\mathrm{4}{x}+\mathrm{1}=\left(\mathrm{3}{x}+\mathrm{1}\right)\left({x}+\mathrm{1}\right)\Rightarrow \\…

A-new-enhacement-has-been-implemented-to-search-already-posted-question-in-forum-Press-funnel-icon-while-in-forum-Editor-will-open-Type-search-text-say-tan-x-dx-etc-press-send-button-

Question Number 101046 by Tinku Tara last updated on 30/Jun/20 $$\mathrm{A}\:\mathrm{new}\:\mathrm{enhacement}\:\mathrm{has}\:\mathrm{been} \\ $$$$\mathrm{implemented}\:\mathrm{to}\:\mathrm{search}\:\mathrm{already} \\ $$$$\mathrm{posted}\:\mathrm{question}\:\mathrm{in}\:\mathrm{forum}. \\ $$$$\mathrm{Press}\:\mathrm{funnel}\:\mathrm{icon}\:\mathrm{while}\:\mathrm{in}\:\mathrm{forum}. \\ $$$$\mathrm{Editor}\:\mathrm{will}\:\mathrm{open}. \\ $$$$\mathrm{Type}\:\mathrm{search}\:\mathrm{text}\:\mathrm{say}\:\int\sqrt{\mathrm{tan}\:{x}}{dx}\:{etc} \\ $$$$\mathrm{press}\:\mathrm{send}\:\mathrm{button}. \\ $$…

Mr-Crone-started-from-his-house-at-8-00-a-m-and-walked-t-to-his-office-at-an-average-speed-of-4-km-h-Mettle-started-from-Mr-Crones-at-8-30-a-m-and-travelled-by-cycle-in-the-same-direction-as-Mr-

Question Number 35472 by Issifu1 last updated on 19/May/18 $${Mr}.\:{Crone}\:{started}\:{from}\:{his}\: \\ $$$${house}\:{at}\:\mathrm{8}.\mathrm{00}\:{a}.{m}.\:{and}\:{walked}\:{t} \\ $$$${to}\:{his}\:{office}\:{at}\:{an}\:{average}\:{speed} \\ $$$${of}\:\mathrm{4}\:{km}/{h}.\:{Mettle}\:{started}\:{from} \\ $$$${Mr}.\:{Crones}\:{at}\:\mathrm{8}.\mathrm{30}\:{a}.{m}.\:{and}\:{travelled} \\ $$$${by}\:{cycle}\:{in}\:{the}\:{same}\:{direction} \\ $$$${as}\:{Mr}.\:{Crone}\:{at}\:{average}\:{speed} \\ $$$${of}\:\:{of}\:\:\mathrm{6}\:{km}/{h}.\:{If}\:{the}\:{two}\:{arrive} \\…

What-is-the-value-of-x-for-wich-the-serie-is-converge-1-n-0-x-ln-n-n-2-n-0-x-ln-n-n-

Question Number 101003 by bachamohamed last updated on 29/Jun/20 $$\:\boldsymbol{{What}}\:\boldsymbol{{is}}\:\boldsymbol{{the}}\:\boldsymbol{{value}}\:\boldsymbol{{of}}\:\boldsymbol{{x}}\:\boldsymbol{{for}}\:\boldsymbol{{wich}}\:\boldsymbol{{the}}\:\boldsymbol{{serie}}\:\boldsymbol{{is}}\:\boldsymbol{{converge}}?\:\:\:\:\:\:\:\:\: \\ $$$$\:\:\:\left(\mathrm{1}\right)\:\underset{\boldsymbol{{n}}\geqslant\mathrm{0}} {\sum}\boldsymbol{{x}}^{\frac{\boldsymbol{{ln}}\left(\boldsymbol{{n}}\right)}{\boldsymbol{{n}}!}} \:?\:\:\:\:\:\:\left(\mathrm{2}\right)\:\underset{\boldsymbol{{n}}\geqslant\mathrm{0}\:} {\sum}\boldsymbol{{x}}^{\frac{\boldsymbol{{ln}}\left(\boldsymbol{{n}}!\right)}{\boldsymbol{{n}}}} \:? \\ $$$$ \\ $$ Terms of Service Privacy Policy…