Question Number 133199 by rexford last updated on 19/Feb/21 Answered by mr W last updated on 20/Feb/21 $$\overset{\rightarrow} {\boldsymbol{{AB}}}=\left(−\mathrm{1},\mathrm{5},−\mathrm{3}\right) \\ $$$$\overset{\rightarrow} {\boldsymbol{{AC}}}=\left(−\mathrm{4},\mathrm{3},\mathrm{3}\right) \\ $$$$\overset{\rightarrow} {\boldsymbol{{AD}}}=\left(\mathrm{1},\mathrm{7},\lambda+\mathrm{1}\right)…
Question Number 67660 by Rio Michael last updated on 29/Aug/19 Commented by Rio Michael last updated on 29/Aug/19 $${The}\:{above}\:\mathrm{2500}{kg}\:{car}\:{tows}\:{a}\:{a}\:{body}\:{of}\:{mass}\:\mathrm{25}{kg}\:\:{and}\:{producing}\:{an}\:{engine}\:{pull} \\ $$$${of}\:\mathrm{5000}{N}.\:{Calculate}\:{the}\:{tension}\:{in}\:{the}\:{spring}\:{pulling}\:{the}\:\mathrm{25}{kg}\:{body}. \\ $$ Commented by…
Question Number 67659 by Rio Michael last updated on 29/Aug/19 $${Help}\:{me}\:{obtain}\:\:\:{the}\:{value}\:{of}\:\:{e}\:{from} \\ $$$$\:\left(\mathrm{1}\:+\:\frac{\mathrm{1}}{{n}}\right)^{{n}} \:\:{how}\:{do}\:{i}\:{go}\:{about}\:{it}. \\ $$ Commented by Abdo msup. last updated on 30/Aug/19 $${A}_{{n}}…
Question Number 133194 by Algoritm last updated on 19/Feb/21 Commented by Algoritm last updated on 19/Feb/21 $$\frac{\mathrm{d}^{\mathrm{n}} \mathrm{y}}{\mathrm{dx}^{\mathrm{n}} }=? \\ $$ Commented by mr W…
Question Number 67655 by ajfour last updated on 29/Aug/19 Commented by ajfour last updated on 29/Aug/19 $${If}\:{the}\:{man}\:{can}\:{provide}\:{a}\:{maximum} \\ $$$${acceleration}\:\boldsymbol{{a}}\:{to}\:{the}\:{boxes}\:{while} \\ $$$${he}\:{runs}\:{along},\:{find}\:{the}\:{friction} \\ $$$${coefficient}\:{of}\:{his}\:{shoes}\:{with} \\ $$$${ground}.\:\left({Assume}\:{the}\:{ground}\:{has}\right.…
Question Number 133191 by pticantor last updated on 19/Feb/21 $$\boldsymbol{{g}}\left(\boldsymbol{{x}},\boldsymbol{{y}}\right)=\boldsymbol{{x}}^{\mathrm{4}} +\boldsymbol{{y}}^{\mathrm{4}} −\mathrm{2}\left(\boldsymbol{{x}}−\boldsymbol{{y}}\right)^{\mathrm{2}} \\ $$$$\boldsymbol{{find}}\:\boldsymbol{{criticals}}\:\boldsymbol{{points}}\:\boldsymbol{{of}}\:\boldsymbol{{g}}\left(\boldsymbol{{x}},\boldsymbol{{y}}\right) \\ $$$$\boldsymbol{{and}}\:\boldsymbol{{hers}}\:\boldsymbol{{nature}} \\ $$ Answered by Olaf last updated on 20/Feb/21…
Question Number 67653 by mhmd last updated on 29/Aug/19 Answered by mr W last updated on 29/Aug/19 $${let}\:{t}=\frac{{y}}{{x}} \\ $$$${y}={xt} \\ $$$${y}'={t}+{xt}' \\ $$$$ \\…
Question Number 67651 by ~ À ® @ 237 ~ last updated on 29/Aug/19 $$\left.\mathrm{1}\right){Let}\:{consider}\:\:{S}=\:\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}\:{n}\:\:\:\:\:{and}\:\:{T}=\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}\:\left(−\mathrm{1}\right)^{{n}+\mathrm{1}} {n} \\ $$$$\left.{W}\left.{e}\:{know}\:{that}\:\:\forall\:{x}\in\right]−\mathrm{1};\mathrm{1}\right] \\ $$$$\underset{{n}=\mathrm{0}} {\overset{\infty}…
Question Number 133187 by mnjuly1970 last updated on 19/Feb/21 $$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:…….{CALCULUS}…… \\ $$$$\:\:\:\:\:{lim}\:_{{n}\rightarrow\infty} \left({n}\left({ln}\left(\mathrm{2}\right)−\underset{{k}=\mathrm{1}} {\overset{{n}} {\sum}}\frac{\mathrm{1}}{{n}+{k}}\right)\right)=? \\ $$$$ \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 2112 by Yozzi last updated on 03/Nov/15 $${Prove}\:{that},\:\forall{n}\in\mathbb{N}, \\ $$$${H}\left(\mathrm{2}^{{n}} \right)\geqslant\mathrm{1}+\frac{{n}}{\mathrm{2}} \\ $$$${where}\:{H}\left({m}\right)=\underset{{r}=\mathrm{1}} {\overset{{m}} {\sum}}\frac{\mathrm{1}}{{r}}. \\ $$ Commented by 123456 last updated on…