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Question-44967

Question Number 44967 by peter frank last updated on 06/Oct/18 Answered by tanmay.chaudhury50@gmail.com last updated on 07/Oct/18 $${The}\:{language}\:{of}\:{problem}\:{is}\:{not}\:{clear}… \\ $$$${pls}\:{clarify}\:{the}\:{function}\:{of}\:{pipe}\:{P}\:{and}\:{its}\:{rate} \\ $$$${pipe}\:{Q}\:{and}\:{rate}\:\:\:{and}\:{pipe}\:{R}\:{and}\:{rate}… \\ $$$${by}\:{the}\:{way}..\:\:{if}\:{two}\:{pipe}\:{is}\:{present}\:{one}\:{fill}\:{the}\:{tank} \\…

Question-110503

Question Number 110503 by mohammad17 last updated on 29/Aug/20 Commented by Rio Michael last updated on 29/Aug/20 $${sorry}\:{sir}.\:{your}\:{answer}\:{wrong}.\:{check}\:{againt} \\ $$$$\mathrm{thank}\:\mathrm{you}. \\ $$$$\mathrm{thats}\:\mathrm{great}. \\ $$ Commented…

Find-all-continuous-real-function-f-such-that-f-ln-x-y-f-sin-xy-f-cos-y-x-for-all-x-y-R-

Question Number 110460 by ZiYangLee last updated on 29/Aug/20 $$\mathrm{Find}\:\mathrm{all}\:\mathrm{continuous}\:\mathrm{real}\:\mathrm{function}\:{f}\: \\ $$$$\mathrm{such}\:\mathrm{that}\: \\ $$$${f}\left(\mathrm{ln}\left({x}+{y}\right)\right)={f}\left(\mathrm{sin}\left({xy}\right)\right)+{f}\left(\mathrm{cos}\left({y}/{x}\right)\right) \\ $$$$\mathrm{for}\:\mathrm{all}\:{x},{y}\in\mathbb{R}^{+} . \\ $$ Terms of Service Privacy Policy Contact:…

please-calculate-I-0-pi-2-dx-1-tanx-2-J-0-pi-dx-a-2-cos-2-x-sin-2-x-K-0-pi-2-dx-3tanx-2-

Question Number 175987 by stelor last updated on 10/Sep/22 $${please}\:{calculate} \\ $$$${I}=\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \frac{{dx}}{\mathrm{1}+\left({tanx}\right)^{\sqrt{\mathrm{2}}} } \\ $$$${J}=\int_{\mathrm{0}} ^{\pi} \frac{{dx}}{{a}^{\mathrm{2}} {cos}^{\mathrm{2}} {x}+{sin}^{\mathrm{2}} {x}} \\ $$$${K}=\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}}…

Question-44900

Question Number 44900 by peter frank last updated on 06/Oct/18 Answered by MJS last updated on 06/Oct/18 $$\mathrm{1}\:\mathrm{large}\:\mathrm{pump}\:\mathrm{needs}\:{x}\:\mathrm{hours}\:\mathrm{to}\:\mathrm{fill}\:\mathrm{1}\:\mathrm{pool} \\ $$$$\mathrm{this}\:\mathrm{means}\:\mathrm{it}\:\mathrm{fills}\:\frac{\mathrm{1}}{{x}}\:\mathrm{pool}\:\mathrm{per}\:\mathrm{hour} \\ $$$$\mathrm{similar}\:\mathrm{1}\:\mathrm{small}\:\mathrm{pump}\:\mathrm{fills}\:\frac{\mathrm{1}}{{y}}\:\mathrm{pool}\:\mathrm{per}\:\mathrm{hour} \\ $$$$\mathrm{2}\:\mathrm{large}\:\mathrm{pumps}\:+\:\mathrm{1}\:\mathrm{small}\:\mathrm{pump}\:\mathrm{need}\:\mathrm{4}\:\mathrm{hours} \\…

if-W-represents-the-Runesky-determinant-of-the-two-independent-solutions-linearly-y-1-y-2-of-the-equation-y-p-x-y-Q-x-0-then-demonstrate-that-W-satisfies-the-differential-equation-W-

Question Number 110403 by mohammad17 last updated on 28/Aug/20 $${if}\:{W}\:{represents}\:{the}\:{Runesky}\:{determinant}\:{of}\:{the}\:{two} \\ $$$${independent}\:{solutions}\:{linearly}\:\left({y}_{\mathrm{1}} ,{y}_{\mathrm{2}} \right){of}\:{the}\:{equation}\:{y}^{''} +{p}\left({x}\right){y}^{'} +{Q}\left({x}\right)=\mathrm{0}\:{then}\:{demonstrate}\:{that}\:{W}\:{satisfies}\:{the}\:{differential}\:{equation}\:\left({W}^{\:'} +{p}\left({x}\right){W}=\mathrm{0}\right)\:{and}\:{solve}\:{this}\:{equation}\:{to}\:{qet}\:{W}\:? \\ $$$$ \\ $$$${help}\:{me}\:{sir}\:{please} \\ $$ Commented by…

prove-to-ealier-problem-of-0-1-0-1-tanh-1-x-1-4-tanh-1-y-1-4-x-y-dxdy-pi-2-solution-let-I-0-1-tanh-1-x-1-4-x-dx-0-1-tanh-1-y-1-4-y-d

Question Number 110395 by mathdave last updated on 28/Aug/20 $${prove}\:{to}\:{ealier}\:{problem}\:{of}\: \\ $$$$\int_{\mathrm{0}} ^{\mathrm{1}} \int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{tanh}^{−\mathrm{1}} \left(\sqrt[{\mathrm{4}}]{{x}}\right)\mathrm{tanh}^{−\mathrm{1}} \left(\sqrt[{\mathrm{4}}]{{y}}\right)}{{x}\sqrt{{y}}}{dxdy}=\pi^{\mathrm{2}} \\ $$$${solution}\: \\ $$$${let} \\ $$$${I}=\int_{\mathrm{0}} ^{\mathrm{1}}…