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Category: Algebra

If-a-b-c-0-then-1-2a-2-bc-1-2b-2-ca-1-2c-2-ab-

Question Number 181138 by Agnibhoo98 last updated on 22/Nov/22 $$\mathrm{If}\:{a}\:+\:{b}\:+\:{c}\:=\:\mathrm{0}\:\mathrm{then}, \\ $$$$\frac{\mathrm{1}}{\mathrm{2}{a}^{\mathrm{2}} \:+\:{bc}}\:+\:\frac{\mathrm{1}}{\mathrm{2}{b}^{\mathrm{2}} \:+\:{ca}}\:+\:\frac{\mathrm{1}}{\mathrm{2}{c}^{\mathrm{2}} \:+\:{ab}}\:=\:? \\ $$ Answered by som(math1967) last updated on 22/Nov/22 $$\:{a}+{b}+{c}=\mathrm{0}…

Question-115564

Question Number 115564 by zakirullah last updated on 26/Sep/20 Answered by Olaf last updated on 26/Sep/20 $$\mathrm{A}\:\mathrm{is}\:\mathrm{symetrix} \\ $$$$\Rightarrow\:\mathrm{2}{b}\:=\:\mathrm{3}\:\mathrm{and}\:\mathrm{3}{a}\:=\:−\mathrm{2} \\ $$$${a}\:=\:−\frac{\mathrm{2}}{\mathrm{3}},\:{b}\:=\:\frac{\mathrm{3}}{\mathrm{2}} \\ $$ Commented by…

Can-you-please-help-me-how-can-i-solve-this-equation-x-0-055-1-44x-2-6-336x-6-9696-

Question Number 50016 by gh.b last updated on 13/Dec/18 $${Can}\:{you}\:{please}\:{help}\:{me}\: \\ $$$${how}\:{can}\:{i}\:{solve}\:{this}\:{equation}\: \\ $$$${x}=\mathrm{0}.\mathrm{055}\left(\mathrm{1}.\mathrm{44}{x}^{\mathrm{2}} −\mathrm{6}.\mathrm{336}{x}+\mathrm{6}.\mathrm{9696}\right) \\ $$ Answered by MJS last updated on 13/Dec/18 $$\mathrm{its}\:\mathrm{structure}\:\mathrm{is}…

Solve-for-x-x-a-x-b-3-x-2a-b-x-a-2b-

Question Number 181079 by Agnibhoo98 last updated on 21/Nov/22 $$\mathrm{Solve}\:\mathrm{for}\:{x}\:: \\ $$$$\left(\frac{{x}\:+\:{a}}{{x}\:+\:{b}}\right)^{\mathrm{3}} =\:\frac{{x}\:+\:\mathrm{2}{a}\:−\:{b}}{{x}\:−\:{a}\:+\:\mathrm{2}{b}} \\ $$ Commented by CElcedricjunior last updated on 21/Nov/22 $$\left(\frac{\boldsymbol{{x}}+\boldsymbol{{a}}}{\boldsymbol{{x}}+\boldsymbol{{b}}}\right)^{\mathrm{3}} =\frac{\boldsymbol{{x}}+\mathrm{2}\boldsymbol{{a}}−\boldsymbol{{b}}}{\boldsymbol{{x}}−\boldsymbol{{a}}+\mathrm{2}\boldsymbol{{b}}} \\…

Find-the-value-of-the-expression-2arcctg-tg3-3arctg-ctg2-a-2pi-3-b-12-c-6-d-pi-4-2-e-3pi-2-

Question Number 181066 by Shrinava last updated on 21/Nov/22 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{the}\:\mathrm{expression}: \\ $$$$\mathrm{2arcctg}\left(\mathrm{tg3}\right)\:−\:\mathrm{3arctg}\left(\mathrm{ctg2}\right) \\ $$$$\left.\mathrm{a}\left.\right)\left.\mathrm{2}\left.\pi\left.−\mathrm{3}\:\:\mathrm{b}\right)\mathrm{12}\:\:\mathrm{c}\right)−\mathrm{6}\:\:\mathrm{d}\right)\pi−\mathrm{4}/\mathrm{2}\:\:\mathrm{e}\right)\mathrm{3}\pi/\mathrm{2} \\ $$ Commented by mr W last updated on 22/Nov/22 $${all}\:{answers}\:{given}\:{are}\:{wrong}!…