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Author: Tinku Tara

Question-140294

Question Number 140294 by solihin last updated on 06/May/21 Answered by Satyendra last updated on 06/May/21 $$\left.{c}\right)\:\mathrm{sin}^{−\mathrm{1}} {y}^{\mathrm{2}} =\mathrm{sin}{h}\left({xy}\right) \\ $$$$\Rightarrow\frac{\mathrm{2}{y}}{\:\sqrt{\mathrm{1}−{y}^{\mathrm{4}} }}\:{y}'=\mathrm{cos}{h}\left({xy}\right) \left({y}+{xy}'\right) \\ $$$$\Rightarrow\frac{\mathrm{2}{y}}{\:\sqrt{\mathrm{1}−{y}^{\mathrm{4}}…

Show-that-a-b-1-a-2-1-b-2-a-4-b-2-b-4-a-2-8-ab-

Question Number 9219 by tawakalitu last updated on 23/Nov/16 $$\mathrm{Show}\:\mathrm{that}:\: \\ $$$$\left(\mathrm{a}\:+\:\mathrm{b}\right)\left[\frac{\mathrm{1}}{\mathrm{a}^{\mathrm{2}} }\:+\:\frac{\mathrm{1}}{\mathrm{b}^{\mathrm{2}} }\right]\left[\frac{\mathrm{a}^{\mathrm{4}} }{\mathrm{b}^{\mathrm{2}} }\:+\:\frac{\mathrm{b}^{\mathrm{4}} }{\mathrm{a}^{\mathrm{2}} }\right]\:\geqslant\:\mathrm{8}\sqrt{\mathrm{ab}} \\ $$ Commented by Yozzias last updated…

Find-the-point-s-on-the-graph-of-3x-2-10xy-3y-2-9-closest-to-the-origin-

Question Number 140288 by liberty last updated on 06/May/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{point}\left(\mathrm{s}\right)\:\mathrm{on}\:\mathrm{the}\:\mathrm{graph} \\ $$$$\mathrm{of}\:\mathrm{3x}^{\mathrm{2}} +\mathrm{10xy}+\mathrm{3y}^{\mathrm{2}} =\mathrm{9}\:\mathrm{closest}\:\mathrm{to} \\ $$$$\mathrm{the}\:\mathrm{origin} \\ $$ Answered by mr W last updated on…

evaluate-5-log-7-5-7-log-5-7-

Question Number 74753 by necxxx last updated on 30/Nov/19 $${evaluate}\:\mathrm{5}^{\sqrt{\mathrm{log}\:\mathrm{7}_{\mathrm{5}} }} \:−\:\mathrm{7}^{\sqrt{\mathrm{log}\:\mathrm{5}_{\mathrm{7}} }} \\ $$ Commented by mr W last updated on 30/Nov/19 $${what}\:{is}\:\mathrm{log}\:\mathrm{7}_{\mathrm{5}} ?\:{the}\:{same}\:{as}\:\mathrm{log}_{\mathrm{5}}…

Question-9215

Question Number 9215 by arinto27 last updated on 23/Nov/16 Answered by ridwan balatif last updated on 23/Nov/16 $$\mathrm{benda}\:\mathrm{dititik}\:\mathrm{tertinggi}\:\mathrm{memiliki}\:\mathrm{energi}\:\mathrm{potensial}\:\mathrm{sebesar}\:\mathrm{E}_{\mathrm{o}} \\ $$$$\mathrm{dimana}\:\mathrm{E}_{\mathrm{o}} =\mathrm{mgh}\:\left(\mathrm{misalkan}\:\mathrm{dititik}\:\mathrm{tertinggi},\:\mathrm{kita}\:\mathrm{beri}\:\mathrm{nama}\:\mathrm{titik}\:\mathrm{A}\right) \\ $$$$\mathrm{EM}_{\mathrm{A}} =\mathrm{EM}_{\mathrm{p}} \\…

Question-74748

Question Number 74748 by mr W last updated on 30/Nov/19 Commented by mr W last updated on 30/Nov/19 $${If}\:{the}\:{total}\:{area}\:{of}\:{red}\:{squares}\:{is}\:{A}. \\ $$$${Find}\:{the}\:{total}\:{area}\:{of}\:{the}\:{blue}\:{squares} \\ $$$${and}\:{that}\:{of}\:{the}\:{green}\:{squares}. \\ $$$$…