Question Number 77180 by jagoll last updated on 04/Jan/20 $$ \\ $$$$ \\ $$$$\mathrm{given}\:\mathrm{a}\:\mathrm{quadratic}\:\mathrm{equation}\: \\ $$$$\mathrm{3x}^{\mathrm{2}} −\mathrm{x}+\left(\mathrm{t}^{\mathrm{2}} −\mathrm{4t}+\mathrm{3}\right)=\mathrm{0}\:\mathrm{has} \\ $$$$\mathrm{roots}\:\mathrm{sin}\:\alpha\:\mathrm{and}\:\mathrm{cos}\:\alpha.\:\mathrm{find}\:\mathrm{the}\: \\ $$$$\mathrm{value}\:\sqrt{\mathrm{t}^{\mathrm{2}} −\mathrm{4t}+\mathrm{5}}\:. \\ $$…
Question Number 142712 by 777316 last updated on 04/Jun/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 77160 by Chi Mes Try last updated on 03/Jan/20 Commented by Chi Mes Try last updated on 03/Jan/20 $${please}\:{help}\:{out} \\ $$ Answered by…
Question Number 77149 by Rio Michael last updated on 03/Jan/20 $$\mathrm{Any}\:\mathrm{reference}\:\mathrm{to}\:\mathrm{a}\:\mathrm{book}\:\mathrm{or}\:\mathrm{video} \\ $$$$\mathrm{that}\:\mathrm{coould}\:\mathrm{help}\:\mathrm{me}\:\mathrm{solve}\:\mathrm{Differential}\:\mathrm{equations}?\: \\ $$$$\mathrm{please}\:\mathrm{help} \\ $$ Commented by Learner-123 last updated on 03/Jan/20 $${Advanced}\:{engineering}\:{mathematics}…
Question Number 77147 by Rio Michael last updated on 03/Jan/20 $$\:\underset{{r}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{\mathrm{1}}{{r}^{{k}} }\:{is}\:{divergent}\:{for}: \\ $$$${A}.\:{k}\:\leqslant\:\mathrm{1} \\ $$$${B}.\:{k}\:>\:\mathrm{2} \\ $$$${C}.\:{k}\:\leqslant\:\mathrm{2} \\ $$$${D}.\:\mathrm{0}\:\leqslant\:{k}\:<\:\mathrm{2} \\ $$ Commented…
Question Number 11540 by tawa last updated on 28/Mar/17 Answered by sandy_suhendra last updated on 28/Mar/17 $$\left(\mathrm{1}\right) \\ $$$$\mathrm{S}=\mathrm{3}\:\mathrm{cm}=\mathrm{0}.\mathrm{03}\:\mathrm{m} \\ $$$$\mathrm{m}=\mathrm{7}\:\mathrm{g}=\mathrm{7}.\mathrm{10}^{−\mathrm{3}} \:\mathrm{kg} \\ $$$$\mathrm{V}_{\mathrm{o}} =\mathrm{450}\:\mathrm{m}/\mathrm{s}…
Question Number 11536 by tawa last updated on 27/Mar/17 Answered by ridwan balatif last updated on 28/Mar/17 $$\mathrm{Data}:\:\mathrm{m}=\mathrm{0}.\mathrm{140kg},\:\:{v}_{\mathrm{o}} =\mathrm{25m}/\mathrm{s} \\ $$$$\left(\mathrm{a}\right)\:\mathrm{EK}=\frac{\mathrm{1}}{\mathrm{2}}\mathrm{m}{v}_{\mathrm{o}} ^{\mathrm{2}} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\frac{\mathrm{1}}{\mathrm{2}}×\mathrm{0}.\mathrm{140}×\mathrm{25}^{\mathrm{2}} \\…
Question Number 142553 by 777316 last updated on 02/Jun/21 $$ \\ $$$$\:\:\:\:{Evaluate}\::\: \\ $$$$\:\:\:\:\:\:\int_{\mathrm{0}} ^{\mathrm{1}} \:\frac{{log}\left({x}\right){log}\left(\frac{{x}}{\mathrm{1}−{x}}\right)}{\:\sqrt{\frac{{x}}{\mathrm{1}−{x}}}}\:{dx} \\ $$ Answered by Dwaipayan Shikari last updated on…
Question Number 76973 by Maclaurin Stickker last updated on 02/Jan/20 $${In}\:{a}\:{ABC}\:{triangle}\:{the}\:{side}\:\boldsymbol{{a}}=\mathrm{6}\:{and} \\ $$$$\boldsymbol{{c}}^{\mathrm{2}} −\boldsymbol{{b}}^{\mathrm{2}} =\mathrm{66}.\:{Calculate}\:{the}\:{projections} \\ $$$${of}\:{sides}\:\boldsymbol{{b}}\:{and}\:\boldsymbol{{c}}\:{on}\:\boldsymbol{{a}}. \\ $$ Answered by jagoll last updated on…
Question Number 11433 by FilupS last updated on 26/Mar/17 $$\mathrm{for}\:{r}=\frac{\mathrm{1}}{\theta},\:\mathrm{show}\:\mathrm{that}\:\mathrm{the}\:\mathrm{arc}\:\mathrm{length}\:\mathrm{between} \\ $$$$\theta=\mathrm{3}\pi^{−\mathrm{1}} \:\:\mathrm{and}\:\theta={n}\pi^{−\mathrm{1}} \:\:\:\left(\mathrm{where}\:\:{n}>\mathrm{3}\right)\:\:\mathrm{is}\:\mathrm{aproxiately} \\ $$$$\mathrm{equal}\:\mathrm{to}\:\mathrm{the}\:\mathrm{length}\:\mathrm{of}\:\mathrm{the}\:\mathrm{line}\:{y}=\mathrm{3}\pi^{−\mathrm{1}} \\ $$$$\mathrm{between}\:\mathrm{the}\:\mathrm{same}\:\mathrm{bounds}.\:\mathrm{Or}\:\mathrm{show}\:\mathrm{otherwise}. \\ $$$$ \\ $$ Commented by FilupS…