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Question-161079

Question Number 161079 by 0731619 last updated on 11/Dec/21 Commented by mr W last updated on 11/Dec/21 $${must}\:>\mathrm{0}\:{and}\:<\mathrm{1},\:{therefore}\:{only}\:\frac{\mathrm{1}}{\mathrm{16}} \\ $$$${can}\:{be},\:{if}\:{one}\:{answer}\:{should}\:{be}\:{true}. \\ $$ Commented by 0731619…

For-a-b-c-gt-0-Find-x-y-z-that-satisfy-this-equation-system-ax-by-x-y-2-by-cz-y-z-2-cz-ax-z-x-2-

Question Number 161071 by naka3546 last updated on 11/Dec/21 $${For}\:\:{a},{b},{c}\:>\:\mathrm{0}\:. \\ $$$${Find}\:\:\left({x},{y},{z}\right)\:\:{that}\:\:{satisfy}\:\:{this}\:\:{equation}\:\:{system}\: \\ $$$$\:\:\:{ax}\:+\:{by}\:=\:\left({x}−{y}\right)^{\mathrm{2}} \\ $$$$\:\:\:\:{by}\:+\:{cz}\:=\:\left({y}−{z}\right)^{\mathrm{2}} \\ $$$$\:\:\:\:{cz}\:+\:{ax}\:=\:\left({z}−{x}\right)^{\mathrm{2}} \\ $$$$ \\ $$ Answered by MJS_new…

Question-29989

Question Number 29989 by naka3546 last updated on 14/Feb/18 Answered by MJS last updated on 14/Feb/18 $${a}=\mathrm{2}\:{b}={c}=\mathrm{0} \\ $$$${a}^{\mathrm{2018}} +{b}^{\mathrm{2018}} +{c}^{\mathrm{2018}} =\mathrm{2}^{\mathrm{2018}} \approx\mathrm{3}×\mathrm{10}^{\mathrm{607}} \\ $$…

For-0-lt-x-lt-pi-6-all-the-values-of-tan-2-3x-cos-2-x-4tan-3x-sin-2x-16sin-2-x-lie-in-the-interval-a-0-121-36-b-1-121-9-c-1-0-d-None-of-these-

Question Number 95520 by PRITHWISH SEN 2 last updated on 25/May/20 $$\mathrm{For}\:\mathrm{0}<\mathrm{x}<\frac{\pi}{\mathrm{6}\:},\:\mathrm{all}\:\mathrm{the}\:\mathrm{values}\:\mathrm{of} \\ $$$$\mathrm{tan}\:^{\mathrm{2}} \left(\mathrm{3x}\right)\mathrm{cos}\:^{\mathrm{2}} \left(\mathrm{x}\right)−\mathrm{4tan}\:\left(\mathrm{3x}\right)\mathrm{sin}\:\left(\mathrm{2x}\right)+\mathrm{16sin}\:^{\mathrm{2}} \left(\mathrm{x}\right) \\ $$$$\mathrm{lie}\:\mathrm{in}\:\mathrm{the}\:\mathrm{interval} \\ $$$$\left(\mathrm{a}\right).\:\left(\mathrm{0},\frac{\mathrm{121}}{\mathrm{36}}\right)\:\left(\mathrm{b}\right).\left(\mathrm{1},\frac{\mathrm{121}}{\mathrm{9}}\right)\:\left(\mathrm{c}\right).\:\left(−\mathrm{1},\mathrm{0}\right)\:\left(\mathrm{d}\right).\:\mathrm{None}\:\mathrm{of}\:\mathrm{these}. \\ $$ Terms of…

Two-commodities-A-and-B-cost-70-and-80-per-kg-respectively-If-34-5kg-of-A-is-mixed-with-26kg-of-B-and-the-mixture-is-sold-at-85-per-kg-calculate-the-percentage-profit-please-help-me-out-I-m-som

Question Number 161025 by MathsFan last updated on 10/Dec/21 $${Two}\:{commodities}\:{A}\:{and}\:{B}\:{cost} \\ $$$$\$\mathrm{70}\:{and}\:\$\mathrm{80}\:{per}\:{kg}\:{respectively}. \\ $$$${If}\:\mathrm{34}.\mathrm{5}{kg}\:{of}\:{A}\:{is}\:{mixed}\:{with}\:\mathrm{26}{kg} \\ $$$${of}\:{B}\:{and}\:{the}\:{mixture}\:{is}\:{sold}\:{at} \\ $$$$\$\mathrm{85}\:{per}\:{kg},\:{calculate}\:{the}\:{percentage} \\ $$$${profit}. \\ $$$${please}\:{help}\:{me}\:{out},\:{I}'{m}\:{somehow} \\ $$$${confused} \\…

Question-29953

Question Number 29953 by puneet1789 last updated on 14/Feb/18 Commented by math solver last updated on 14/Feb/18 $$\mathrm{i}\:\mathrm{am}\:\mathrm{getting}\:\mathrm{option}\left(\mathrm{3}\right)\:\:\mathrm{5}\sqrt{\mathrm{5}}−\mathrm{3}. \\ $$$$\mathrm{yes}\:\mathrm{sir},\:\mathrm{ur}\:\mathrm{right}\:\mathrm{i}\:\mathrm{also}\:\mathrm{did}\:\mathrm{with}\:\mathrm{same} \\ $$$$\mathrm{approach}. \\ $$ Commented…

A-1-1-2-1-3-4-1-5-6-1-37-38-1-39-40-B-1-21-40-1-22-39-1-23-38-1-39-22-1-40-21-A-B-

Question Number 161005 by vvvv last updated on 10/Dec/21 $$\boldsymbol{{A}}=\frac{\mathrm{1}}{\mathrm{1}×\mathrm{2}}+\frac{\mathrm{1}}{\mathrm{3}×\mathrm{4}}+\frac{\mathrm{1}}{\mathrm{5}×\mathrm{6}}+….+\frac{\mathrm{1}}{\mathrm{37}×\mathrm{38}}+\frac{\mathrm{1}}{\mathrm{39}×\mathrm{40}} \\ $$$$\boldsymbol{{B}}=\frac{\mathrm{1}}{\mathrm{21}×\mathrm{40}}+\frac{\mathrm{1}}{\mathrm{22}×\mathrm{39}}+\frac{\mathrm{1}}{\mathrm{23}×\mathrm{38}}+….+\frac{\mathrm{1}}{\mathrm{39}×\mathrm{22}}+\frac{\mathrm{1}}{\mathrm{40}×\mathrm{21}} \\ $$$$\frac{\boldsymbol{{A}}}{\boldsymbol{{B}}}=? \\ $$ Answered by Raxreedoroid last updated on 11/Dec/21 $${A}=\underset{{k}=\mathrm{1}} {\overset{\mathrm{39}}…