Menu Close

Category: Others

what-the-min-value-of-60x-120y-1250z-if-x-y-5z-150-x-0-150-y-0-150-z-0-30-

Question Number 1155 by 123456 last updated on 05/Jul/15 $$\mathrm{what}\:\mathrm{the}\:\mathrm{min}\:\mathrm{value}\:\mathrm{of} \\ $$$$\mathrm{60}{x}+\mathrm{120}{y}+\mathrm{1250}{z} \\ $$$$\mathrm{if} \\ $$$${x}+{y}+\mathrm{5}{z}=\mathrm{150} \\ $$$${x}\in\left\{\mathrm{0},…,\mathrm{150}\right\} \\ $$$${y}\in\left\{\mathrm{0},…,\mathrm{150}\right\} \\ $$$${z}\in\left\{\mathrm{0},…,\mathrm{30}\right\} \\ $$ Answered…

what-the-min-value-of-60x-120y-where-x-y-150-x-0-1-150-y-0-1-150-

Question Number 1151 by 123456 last updated on 05/Jul/15 $$\mathrm{what}\:\mathrm{the}\:\mathrm{min}\:\mathrm{value}\:\mathrm{of} \\ $$$$\mathrm{60}{x}+\mathrm{120}{y} \\ $$$$\mathrm{where} \\ $$$${x}+{y}=\mathrm{150} \\ $$$${x}\in\left\{\mathrm{0},\mathrm{1},…,\mathrm{150}\right\} \\ $$$${y}\in\left\{\mathrm{0},\mathrm{1},…,\mathrm{150}\right\} \\ $$ Answered by prakash…

Given-that-f-is-a-polynomial-function-of-degree-8-such-that-f-1-1-2-f-2-1-6-f-3-1-12-f-4-1-20-f-5-1-30-f-6-1-42-f-7-1-56-f-8-1-72-f-9-1-90-Find-f-10-and-f-

Question Number 1139 by 314159 last updated on 30/Jun/15 $${Given}\:{that}\:{f}\:{is}\:{a}\:{polynomial}\:{function}\:{of} \\ $$$${degree}\:\mathrm{8}\:{such}\:{that}\:{f}\left(\mathrm{1}\right)=\frac{\mathrm{1}}{\mathrm{2}},{f}\left(\mathrm{2}\right)=\frac{\mathrm{1}}{\mathrm{6}},{f}\left(\mathrm{3}\right)=\frac{\mathrm{1}}{\mathrm{12}} \\ $$$${f}\left(\mathrm{4}\right)=\frac{\mathrm{1}}{\mathrm{20}},{f}\left(\mathrm{5}\right)=\frac{\mathrm{1}}{\mathrm{30}},{f}\left(\mathrm{6}\right)=\frac{\mathrm{1}}{\mathrm{42}},{f}\left(\mathrm{7}\right)=\frac{\mathrm{1}}{\mathrm{56}},{f}\left(\mathrm{8}\right)=\frac{\mathrm{1}}{\mathrm{72}} \\ $$$${f}\left(\mathrm{9}\right)=\frac{\mathrm{1}}{\mathrm{90}\:}\:\:.{Find}\:{f}\left(\mathrm{10}\right)\:{and}\:{f}\left(\mathrm{11}\right). \\ $$ Commented by 123456 last updated on 30/Jun/15…

Find-the-infinite-product-of-3-2-5-4-17-16-257-256-65537-65536-

Question Number 1134 by 314159 last updated on 28/Jun/15 $${Find}\:{the}\:{infinite}\:{product}\:{of}\: \\ $$$$\frac{\mathrm{3}}{\mathrm{2}}×\frac{\mathrm{5}}{\mathrm{4}}×\frac{\mathrm{17}}{\mathrm{16}}×\frac{\mathrm{257}}{\mathrm{256}}×\frac{\mathrm{65537}}{\mathrm{65536}}×… \\ $$ Answered by prakash jain last updated on 29/Jun/15 $$\frac{\mathrm{2}^{\mathrm{2}} −\mathrm{1}}{\mathrm{2}}×\frac{\mathrm{2}^{\mathrm{2}} +\mathrm{1}}{\mathrm{2}^{\mathrm{2}}…

If-v-p-1-n-x-where-p-pressure-find-the-dimension-of-n-and-x-

Question Number 132173 by I want to learn more last updated on 11/Feb/21 $$\mathrm{If}\:\:\:\:\mathrm{v}\:\:\:=\:\:\:\frac{\sqrt{\mathrm{p}\:\:\:+\:\:\:\frac{\mathrm{1}}{\mathrm{n}}}}{\mathrm{x}},\:\:\:\:\:\:\:\:\:\mathrm{where}\:\:\:\:\mathrm{p}\:\:=\:\:\:\mathrm{pressure}. \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{dimension}\:\mathrm{of}\:\:\:\:\:\mathrm{n}\:\:\:\mathrm{and}\:\:\:\mathrm{x} \\ $$ Commented by mr W last updated on…

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

Question Number 132162 by Dwaipayan Shikari last updated on 11/Feb/21 $$\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{{sin}\left({n}\right)}{{n}^{\mathrm{2}} } \\ $$ Answered by mnjuly1970 last updated on 11/Feb/21 $$\frac{\mathrm{1}}{\mathrm{2}{i}}\left[{li}_{\mathrm{2}} \left({e}^{{i}}…

f-R-R-g-R-R-2f-x-f-x-1-g-x-1-g-x-2-f-x-1-g-x-1-f-1-1-g-1-2-f-0-g-0-

Question Number 1068 by 123456 last updated on 01/Jun/15 $${f}:\mathbb{R}\rightarrow\mathbb{R}_{+} ,{g}:\mathbb{R}\rightarrow\mathbb{R}_{+} \\ $$$$\mathrm{2}{f}\left({x}\right)={f}\left({x}−\mathrm{1}\right)+{g}\left({x}+\mathrm{1}\right) \\ $$$$\left[{g}\left({x}\right)\right]^{\mathrm{2}} ={f}\left({x}−\mathrm{1}\right){g}\left({x}+\mathrm{1}\right) \\ $$$${f}\left(−\mathrm{1}\right)=\mathrm{1},{g}\left(\mathrm{1}\right)=\mathrm{2},{f}\left(\mathrm{0}\right){g}\left(\mathrm{0}\right)=? \\ $$ Answered by prakash jain last…

f-R-R-x-i-j-x-R-i-N-j-0-1-f-x-f-i-1-i-1-j-1-x-1-j-0-x-lt-1-x-x-lt-0-f-9-5-

Question Number 1057 by 123456 last updated on 25/May/15 $${f}:\mathbb{R}_{+} \rightarrow\mathbb{R} \\ $$$${x}={i}+{j} \\ $$$${x}\in\mathbb{R}_{+} \\ $$$${i}\in\mathbb{N} \\ $$$${j}\in\left[\mathrm{0},\mathrm{1}\right) \\ $$$${f}\left({x}\right)=\begin{cases}{{f}\left({i}−\mathrm{1}\right)+\left({i}+\mathrm{1}\right)\left({j}+\mathrm{1}\right)}&{{x}\geqslant\mathrm{1}}\\{{j}}&{\mathrm{0}\leqslant{x}<\mathrm{1}}\\{{x}}&{{x}<\mathrm{0}}\end{cases} \\ $$$${f}\left(\mathrm{9}.\mathrm{5}\right)=? \\ $$…