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Author: Tinku Tara

Solve-the-following-DE-y-dy-dx-6x-5y-0-x-0-y-0-

Question Number 1352 by 112358 last updated on 24/Jul/15 $${Solve}\:{the}\:{following}\:{DE}\:: \\ $$$${y}\frac{{dy}}{{dx}}+\mathrm{6}{x}+\mathrm{5}{y}=\mathrm{0}\:\:\:\:\:\left({x}\neq\mathrm{0},{y}\neq\mathrm{0}\right) \\ $$ Answered by imhunter last updated on 27/Jul/15 $${q}.{no}.\mathrm{1352}\:\:\:\:\:\:\:\:\:\:\:{y}\:{dy}/{dx}=−\mathrm{6}{x}−\mathrm{5}{y} \\ $$$$ \\…

W-f-x-t-0-1-t-f-x-ln-xt-dx-t-gt-0-W-f-x-g-x-t-W-f-x-t-W-g-x-t-W-cf-x-t-cW-f-x-t-W-1-t-W-x-t-W-x-n-t-n-N-W-f-x-t-

Question Number 1351 by 123456 last updated on 24/Jul/15 $$\mathcal{W}\left\{{f}\left({x}\right)\right\}\left({t}\right)=\underset{\mathrm{0}} {\overset{\mathrm{1}/{t}} {\int}}{f}\left({x}\right)\mathrm{ln}\left({xt}\right){dx},{t}>\mathrm{0} \\ $$$$\mathcal{W}\left\{{f}\left({x}\right)+{g}\left({x}\right)\right\}\left({t}\right)\overset{?} {=}\mathcal{W}\left\{{f}\left({x}\right)\right\}\left({t}\right)+\mathcal{W}\left\{{g}\left({x}\right)\right\}\left({t}\right) \\ $$$$\mathcal{W}\left\{{cf}\left({x}\right)\right\}\left({t}\right)\overset{?} {=}{c}\mathcal{W}\left\{{f}\left({x}\right)\right\}\left({t}\right) \\ $$$$\mathcal{W}\left\{\mathrm{1}\right\}\left({t}\right)=? \\ $$$$\mathcal{W}\left\{{x}\right\}\left({t}\right)=? \\ $$$$\mathcal{W}\left\{{x}^{{n}} \right\}\left({t}\right)=?,{n}\in\mathbb{N}…

Evaluate-the-following-integral-I-pi-4-pi-2-cos2x-sin2x-ln-cosx-sinx-dx-

Question Number 1350 by 112358 last updated on 24/Jul/15 $${Evaluate}\:{the}\:{following}\:{integral}: \\ $$$${I}=\int_{\pi/\mathrm{4}} ^{\:\pi/\mathrm{2}} \left({cos}\mathrm{2}{x}+{sin}\mathrm{2}{x}\right){ln}\left({cosx}+{sinx}\right)\:{dx} \\ $$ Commented by prakash jain last updated on 25/Jul/15 $$\int\mathrm{sin}\:\mathrm{2}{x}\mathrm{ln}\:\left(\mathrm{cos}\:{x}+\mathrm{sin}\:{x}\right){dx}…

Given-P-x-is-polynomial-If-P-x-1-P-x-x-x-1-2-2-find-the-value-of-P-x-x-

Question Number 132422 by john_santu last updated on 14/Feb/21 $$\mathrm{Given}\:\mathrm{P}\left(\mathrm{x}\right)\:\mathrm{is}\:\mathrm{polynomial}. \\ $$$$\:\mathrm{If}\:\mathrm{P}\left(\mathrm{x}+\mathrm{1}\right)\:+\:\frac{\mathrm{P}\left(\mathrm{x}\right)}{\mathrm{x}}\:=\:\left(\mathrm{x}+\mathrm{1}\right)^{\mathrm{2}} −\mathrm{2} \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\frac{\mathrm{P}\left(\mathrm{x}\right)}{\mathrm{x}} \\ $$ Answered by bemath last updated on 14/Feb/21 Terms…

to-Tinkutara-strange-error-try-to-edit-comment-my-answer-to-question-132402-the-last-line-expands-in-height-to-infinity-at-least-on-my-device-

Question Number 132418 by MJS_new last updated on 14/Feb/21 $$\mathrm{to}\:\mathrm{Tinkutara} \\ $$$$\mathrm{strange}\:\mathrm{error}.\:\mathrm{try}\:\mathrm{to}\:\mathrm{edit}/\mathrm{comment}\:\mathrm{my} \\ $$$$\mathrm{answer}\:\mathrm{to}\:\mathrm{question}\:\mathrm{132402} \\ $$$$\mathrm{the}\:\mathrm{last}\:\mathrm{line}\:\mathrm{expands}\:\mathrm{in}\:\mathrm{height}\:\mathrm{to}\:\mathrm{infinity} \\ $$$$\mathrm{at}\:\mathrm{least}\:\mathrm{on}\:\mathrm{my}\:\mathrm{device}… \\ $$ Commented by mr W last…

3-log-3x-4-4-log-4x-3-

Question Number 1343 by Rasheed Soomro last updated on 24/Jul/15 $$\mathrm{3}^{{log}\:\mathrm{3}{x}+\mathrm{4}} =\mathrm{4}^{{log}\:\mathrm{4}{x}+\mathrm{3}} \\ $$ Answered by 112358 last updated on 24/Jul/15 $${Taking}\:{logs}\:{to}\:{base}\:{e}\:{on}\:{both}\:{sides} \\ $$$$\Rightarrow\left({log}\mathrm{3}{x}+\mathrm{4}\right){ln}\mathrm{3}=\left({log}\mathrm{4}{x}+\mathrm{3}\right){ln}\mathrm{4} \\…

f-C-C-z-0-C-such-that-f-z-f-z-0-z-z-0-f-z-z-0-does-lim-z-z-0-f-z-f-z-0-

Question Number 1339 by 123456 last updated on 24/Jul/15 $${f}:\mathbb{C}\rightarrow\mathbb{C},{z}_{\mathrm{0}} \in\mathbb{C}\:\mathrm{such}\:\mathrm{that} \\ $$$${f}\left({z}\right)−{f}\left({z}_{\mathrm{0}} \right)=\left({z}−{z}_{\mathrm{0}} \right){f}\left({z}−{z}_{\mathrm{0}} \right) \\ $$$$\mathrm{does}\:\underset{{z}\rightarrow{z}_{\mathrm{0}} } {\mathrm{lim}}{f}\left({z}\right)={f}\left({z}_{\mathrm{0}} \right)? \\ $$ Commented by…