Question Number 31991 by gunawan last updated on 17/Mar/18 $${g}_{{n}} =\sqrt{{g}_{{n}−\mathrm{1}} +{g}_{{n}−\mathrm{2}} } \\ $$$${g}_{\mathrm{1}} =\mathrm{1} \\ $$$${g}_{\mathrm{2}} =\mathrm{3} \\ $$$${g}_{{n}} =.. \\ $$ Commented…
Question Number 31990 by gunawan last updated on 17/Mar/18 $${a}_{{n}} =\mathrm{2}{a}_{{n}−\mathrm{1}} +\mathrm{3}{a}_{{n}−\mathrm{2}} \\ $$$${a}_{\mathrm{0}} =\mathrm{1} \\ $$$${a}_{\mathrm{1}} =\mathrm{2} \\ $$$${a}_{{n}} =… \\ $$ Commented by…
Question Number 163048 by mnjuly1970 last updated on 03/Jan/22 Answered by mahdipoor last updated on 03/Jan/22 $${sin}^{\mathrm{2}} {x}={m}\:\:\:{cos}^{\mathrm{2}} {x}={n} \\ $$$$\Rightarrow{m}^{'} =−{n}^{'} =\mathrm{2}{cosx}.{sinx} \\ $$$$\:{f}\:'=\left({nm}^{\mathrm{3}}…
Question Number 97512 by bemath last updated on 08/Jun/20 $$\mathrm{The}\:\mathrm{value}\:\mathrm{of}\:\mathrm{k}\:\mathrm{for}\:\mathrm{which}\:\mathrm{the} \\ $$$$\mathrm{quadratic}\:\mathrm{equation}\:\left(\mathrm{1}−\mathrm{2k}\right)\mathrm{x}^{\mathrm{2}} −\mathrm{6kx}−\mathrm{1}=\mathrm{0} \\ $$$$\mathrm{and}\:\mathrm{kx}^{\mathrm{2}} −\mathrm{x}+\mathrm{1}=\mathrm{0}\:\mathrm{have}\:\mathrm{atleast} \\ $$$$\mathrm{one}\:\mathrm{roots}\:\mathrm{in}\:\mathrm{common}\:\mathrm{are}\:\_\_\_ \\ $$ Commented by john santu last…
Question Number 97501 by bemath last updated on 08/Jun/20 $$\mathrm{The}\:\mathrm{natural}\:\mathrm{number}\:\mathrm{n}\:\mathrm{for}\:\mathrm{which}\: \\ $$$$\mathrm{the}\:\mathrm{expression}\:\mathrm{y}\:=\:\mathrm{5log}^{\mathrm{2}} \:_{\mathrm{3}} \left(\mathrm{n}\right)\:− \\ $$$$\mathrm{log}\:_{\mathrm{3}} \left(\mathrm{n}^{\mathrm{12}} \right)+\mathrm{9}\:,\:\mathrm{has}\:\mathrm{the}\:\mathrm{minimum} \\ $$$$\mathrm{value}\:\mathrm{is}\:\_\_\_ \\ $$ Commented by bobhans…
Question Number 31963 by abdo imad last updated on 17/Mar/18 $${find}\:{Re}\:\left(\frac{\mathrm{1}+{e}^{{i}\alpha} }{\mathrm{1}+{e}^{{i}\beta} }\right)\:{and}\:{Im}\:\left(\:\frac{\mathrm{1}+{e}^{{i}\alpha} }{\mathrm{1}+{e}^{{i}\beta} }\:\right)\:. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 97496 by shaxzod last updated on 08/Jun/20 $${if}\:\:\:\:\:\:{f}\left(\frac{\mathrm{2}{x}+\mathrm{5}}{{x}−\mathrm{3}}\right)=\mathrm{3}{x}+\mathrm{5}\:\:\:{find}\:\:\:{f}\left({x}\right) \\ $$$$ \\ $$$${please}\:{solve}\:{it} \\ $$ Answered by bobhans last updated on 08/Jun/20 $$\mathrm{set}\:\frac{\mathrm{2x}+\mathrm{5}}{\mathrm{x}−\mathrm{3}}\:=\:\mathrm{z}\:\Rightarrow\:\mathrm{xz}−\mathrm{3z}=\mathrm{2x}+\mathrm{5} \\…
Question Number 97485 by Farruxjano last updated on 08/Jun/20 Commented by prakash jain last updated on 09/Jun/20 $$\mathrm{E}^{\mathrm{2}} = \\ $$$${x}^{\mathrm{3}} {y}+{y}^{\mathrm{3}} {z}+{z}^{\mathrm{3}} {x}+{xy}^{\mathrm{3}} +{yz}^{\mathrm{3}}…
Question Number 163000 by tounghoungko last updated on 03/Jan/22 Answered by Rasheed.Sindhi last updated on 03/Jan/22 $${y}={f}\left({x}\right)=\mathrm{2}{x}^{\mathrm{3}} −{x}^{\mathrm{2}} −\mathrm{3}{x} \\ $$$${zeroes}\:{of}\:{f}\left({x}\right) \\ $$$$\mathrm{2}{x}^{\mathrm{3}} −{x}^{\mathrm{2}} −\mathrm{3}{x}=\mathrm{0}…
Question Number 31927 by rahul 19 last updated on 16/Mar/18 $${The}\:{number}\:{of}\:{distinct}\:{real}\:{roots} \\ $$$${of}\:{equation}\:\boldsymbol{{x}}^{\mathrm{4}} −\mathrm{4}\boldsymbol{{x}}^{\mathrm{3}} +\mathrm{12}\boldsymbol{{x}}^{\mathrm{2}} +\boldsymbol{{x}}−\mathrm{1}=\mathrm{0}. \\ $$ Answered by MJS last updated on 16/Mar/18…