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Category: Algebra

x-2-9-1-3-x-3-1-3-3-find-x-

Question Number 171921 by Mikenice last updated on 21/Jun/22 $$\frac{\sqrt[{\mathrm{3}}]{{x}^{\mathrm{2}} −\mathrm{9}}}{\:\sqrt[{\mathrm{3}}]{{x}+\mathrm{3}}}=\mathrm{3},\:{find}\:{x} \\ $$ Answered by FelipeLz last updated on 22/Jun/22 $$\frac{\sqrt[{\mathrm{3}}]{{x}^{\mathrm{2}} −\mathrm{9}}}{\:\sqrt[{\mathrm{3}}]{{x}+\mathrm{3}}}\:=\:\mathrm{3} \\ $$$$\frac{{x}^{\mathrm{2}} −\mathrm{9}}{\:{x}+\mathrm{3}}\:=\:\mathrm{3}^{\mathrm{3}}…

if-and-are-the-positive-roots-of-the-eqn-x-2-px-q-0-find-the-sum-M-1-4-1-4-

Question Number 171922 by Mikenice last updated on 21/Jun/22 $${if}\:\alpha\:{and}\:\beta\:{are}\:{the}\:{positive}\:{roots}\:{of}\:{the}\:{eqn} \\ $$$${x}^{\mathrm{2}} +{px}+{q}=\mathrm{0},\:{find}\:{the}\:{sum}\:{M}=\sqrt[{\mathrm{4}}]{\alpha}\:+\sqrt[{\mathrm{4}}]{\beta} \\ $$ Commented by kaivan.ahmadi last updated on 22/Jun/22 $${we}\:{now}\:{S}=\alpha+\beta=−{p}\:,\:{P}=\alpha\beta={q} \\ $$$${M}^{\mathrm{2}}…

if-a-b-c-2196-a-1-3-b-c-2076-a-b-1-3-c-1860-a-b-c-1-3-480-determine-the-value-of-a-2-3-b-2-3-c-2-3-if-a-b-c-are-all-integer-

Question Number 171919 by Mikenice last updated on 21/Jun/22 $${if} \\ $$$${a}+{b}+{c}=\mathrm{2196} \\ $$$$\sqrt[{\mathrm{3}}]{{a}}\:+{b}+{c}=\mathrm{2076} \\ $$$${a}+\sqrt[{\mathrm{3}}]{{b}}\:+{c}=\mathrm{1860} \\ $$$${a}+{b}+\sqrt[{\mathrm{3}}]{{c}}\:=\mathrm{480},\:{determine}\:{the}\:{value}\:{of} \\ $$$${a}^{\frac{\mathrm{2}}{\mathrm{3}}} +{b}^{\frac{\mathrm{2}}{\mathrm{3}}} +{c}^{\frac{\mathrm{2}}{\mathrm{3}}} ,\:{if}\:{a},{b},{c}\:{are}\:{all}\:{integer}. \\ $$…

Question-106378

Question Number 106378 by mr W last updated on 04/Aug/20 Answered by Dwaipayan Shikari last updated on 05/Aug/20 $$\left(\mathrm{1}−\frac{\mathrm{1}}{\mathrm{2}}\right)\left(\mathrm{1}−\frac{\mathrm{1}}{\mathrm{4}}\right)\left(\mathrm{1}−\frac{\mathrm{1}}{\mathrm{6}}\right)….{n} \\ $$$$\underset{{n}=\mathrm{1}} {\overset{{n}} {\prod}}\left(\mathrm{1}−\frac{\mathrm{1}}{\mathrm{2}{n}}\right)={y} \\ $$$${log}\left(\underset{{n}=\mathrm{1}}…