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Question-11341

Question Number 11341 by Nadium last updated on 21/Mar/17 Commented by FilupS last updated on 22/Mar/17 $$\Omega=\underset{{n}\rightarrow\infty} {\mathrm{lim}}\frac{\mathrm{1}}{{n}^{\mathrm{4}} }\underset{{i}=\mathrm{1}} {\overset{{n}} {\sum}}\left(\underset{{j}=\mathrm{1}} {\overset{{n}} {\sum}}\left({i}^{\mathrm{2}} +{j}^{\mathrm{2}} \right)\mid{i}^{\mathrm{2}}…

x-x-4-5-x-7-7-x-5-x-

Question Number 142415 by Rankut last updated on 31/May/21 $$\frac{{x}}{{x}+\mathrm{4}}=\frac{\mathrm{5}\lfloor{x}\rfloor−\mathrm{7}}{\mathrm{7}\lfloor{x}\rfloor−\mathrm{5}} \\ $$$${x}=? \\ $$ Answered by mr W last updated on 31/May/21 $${say}\:{x}={n}+{f} \\ $$$$\frac{{n}+{f}}{{n}+{f}+\mathrm{4}}=\frac{\mathrm{5}{n}−\mathrm{7}}{\mathrm{7}{n}−\mathrm{5}}…

Find-the-equation-of-parabola-whose-focus-1-2-and-directrix-x-2y-3-0-

Question Number 76862 by vishalbhardwaj last updated on 31/Dec/19 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{of}\:\mathrm{parabola}\: \\ $$$$\mathrm{whose}\:\mathrm{focus}\:\left(−\mathrm{1},−\mathrm{2}\right)\:\mathrm{and}\:\mathrm{directrix} \\ $$$$\mathrm{x}−\mathrm{2y}+\mathrm{3}=\mathrm{0}\:?? \\ $$ Answered by mr W last updated on 31/Dec/19 $${point}\:{P}\left({x},{y}\right)\:{on}\:{parabola}…