Menu Close

Category: Algebra

Question-122445

Question Number 122445 by benjo_mathlover last updated on 17/Nov/20 Answered by TANMAY PANACEA last updated on 17/Nov/20 $${using}\:{Titu}\:{lemma} \\ $$$$\frac{\mathrm{1}^{\mathrm{2}} }{{x}}+\frac{\mathrm{3}^{\mathrm{2}} }{{y}}+\frac{\mathrm{5}^{\mathrm{2}} }{{z}}\geqslant\frac{\left(\mathrm{1}+\mathrm{3}+\mathrm{5}\right)^{\mathrm{2}} }{{x}+{y}+{z}} \\…

If-and-are-the-roots-of-of-the-equation-3x-2-x-3-0-find-thevalue-of-2-2-if-gt-

Question Number 56904 by pete last updated on 26/Mar/19 $$\mathrm{If}\:\alpha\:\mathrm{and}\:\beta\:\mathrm{are}\:\mathrm{the}\:\mathrm{roots}\:\mathrm{of}\:\mathrm{of}\:\mathrm{the}\:\mathrm{equation} \\ $$$$\mathrm{3x}^{\mathrm{2}} −\mathrm{x}−\mathrm{3}=\mathrm{0},\:\mathrm{find}\:\mathrm{thevalue}\:\mathrm{of}\:\left(\alpha^{\mathrm{2}} −\beta^{\mathrm{2}} \right) \\ $$$$\mathrm{if}\:\alpha>\beta. \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on…

If-x-5-1-x-1-1-x-2-x-1-1-x-2-x-1-10-

Question Number 187971 by mnjuly1970 last updated on 24/Feb/23 $$ \\ $$$$\:\:\mathrm{If}\:\:\:,\:\:{x}^{\:\mathrm{5}} \:=\:\mathrm{1}\:\:\:\wedge\:\:{x}\neq\mathrm{1} \\ $$$$ \\ $$$$\:\:\:\:\left(\:\frac{\:\mathrm{1}}{{x}^{\:\mathrm{2}} \:−{x}\:+\mathrm{1}}\:+\:\frac{\mathrm{1}}{{x}^{\:\mathrm{2}} \:+\:{x}\:+\mathrm{1}}\:\right)^{\:\mathrm{10}} =\:? \\ $$$$ \\ $$ Answered…

please-help-me-to-solve-6x-2-x-2-0-

Question Number 187951 by chhuangakawlni last updated on 24/Feb/23 $${please}\:{help}\:{me}\:{to}\:{solve} \\ $$$$\mathrm{6}{x}^{\mathrm{2}} +{x}−\mathrm{2}=\mathrm{0} \\ $$ Answered by cortano12 last updated on 24/Feb/23 $$\left(\mathrm{x}+\frac{\mathrm{4}}{\mathrm{6}}\right)\left(\mathrm{x}−\frac{\mathrm{3}}{\mathrm{6}}\right)=\mathrm{0} \\ $$$$\:\begin{cases}{\mathrm{x}=−\frac{\mathrm{2}}{\mathrm{3}}}\\{\mathrm{x}=\frac{\mathrm{1}}{\mathrm{2}}}\end{cases}…

Question-122360

Question Number 122360 by benjo_mathlover last updated on 16/Nov/20 Answered by $@y@m last updated on 16/Nov/20 $$\:\:{Put}\:{t}=\left(\sqrt{\mathrm{5}−\mathrm{2}\sqrt{\mathrm{6}}}\right)^{{x}} \\ $$$$\:\:{t}+\frac{\mathrm{1}}{{t}}=\mathrm{10} \\ $$$${t}^{\mathrm{2}} −\mathrm{10}{t}+\mathrm{1}=\mathrm{0} \\ $$$${t}=\frac{\mathrm{10}\pm\sqrt{\mathrm{100}−\mathrm{4}}}{\mathrm{2}} \\…

Simplify-completely-256-7-16-128-9-28-512-17-36-64-11-12-

Question Number 187877 by nadovic last updated on 23/Feb/23 $$\mathrm{Simplify}\:\mathrm{completely} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\frac{\mathrm{256}^{−\frac{\mathrm{7}}{\mathrm{16}}} \:×\:\mathrm{128}^{\frac{\mathrm{9}}{\mathrm{28}}} }{\mathrm{512}^{\frac{\mathrm{17}}{\mathrm{36}}} \:×\:\mathrm{64}^{−\frac{\mathrm{11}}{\mathrm{12}}} } \\ $$ Answered by Rasheed.Sindhi last updated on 23/Feb/23…

The-product-of-three-consecutive-terms-of-4-The-sum-of-the-GP-is-7-3-Find-the-GP-

Question Number 56801 by necx1 last updated on 24/Mar/19 $${The}\:{product}\:{of}\:{three}\:{consecutive}\:{terms} \\ $$$${of}\:\mathrm{4}.\:{The}\:{sum}\:{of}\:{the}\:{GP}\:{is}\:−\frac{\mathrm{7}}{\mathrm{3}}.\:{Find} \\ $$$${the}\:{GP} \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 24/Mar/19 $$\boldsymbol{{recheck}}\:\boldsymbol{{the}}\:\boldsymbol{{question}}… \\…