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Author: Tinku Tara

Find-all-values-of-k-such-that-the-expression-x-3-kx-2-7x-6-can-be-resolved-into-three-linear-real-factors-

Question Number 205051 by mr W last updated on 06/Mar/24 $$\mathrm{Find}\:\mathrm{all}\:\mathrm{values}\:\mathrm{of}\:\:\mathrm{k}\:\mathrm{such}\:\mathrm{that}\:\mathrm{the} \\ $$$$\mathrm{expr}{e}\mathrm{ssion}\:\mathrm{x}^{\mathrm{3}} +\:\mathrm{kx}^{\mathrm{2}} −\mathrm{7x}+\mathrm{6}\:\mathrm{can}\:\mathrm{be} \\ $$$$\mathrm{re}{s}\mathrm{olved}\:\mathrm{into}\:\mathrm{three}\:\mathrm{linear}\:\mathrm{real}\:\mathrm{factors}. \\ $$ Answered by Frix last updated on…

Question-205001

Question Number 205001 by rajusasmal last updated on 05/Mar/24 Answered by TonyCWX08 last updated on 05/Mar/24 $$\mathrm{44}.\: \\ $$$${x}^{\mathrm{2}} −{y}^{\mathrm{2}} \\ $$$$=\left({asec}\left(\theta\right)+{btan}\left(\theta\right)\right)^{\mathrm{2}} −\left({atan}\left(\theta\right)+{bsec}\left(\theta\right)\right)^{\mathrm{2}} \\ $$$$={a}^{\mathrm{2}}…

Solve-for-x-C-x-3-4-3i-x-2-51-49i-x-442-170i-0-

Question Number 204999 by Frix last updated on 05/Mar/24 $$\mathrm{Solve}\:\mathrm{for}\:{x}\in\mathbb{C} \\ $$$${x}^{\mathrm{3}} +\left(\mathrm{4}−\mathrm{3i}\right){x}^{\mathrm{2}} −\left(\mathrm{51}+\mathrm{49i}\right){x}−\mathrm{442}+\mathrm{170i}=\mathrm{0} \\ $$ Answered by Skabetix last updated on 05/Mar/24 $${S}=\left\{\:−\mathrm{9}−\mathrm{4}{i}\:;\:−\mathrm{3}+\mathrm{5}{i}\:;\:\mathrm{8}+\mathrm{2}{i}\:\right\}? \\…

Is-there-any-way-to-integrate-1-ln-x-dx-without-hitting-the-Gauss-error-function-or-e-t-2-and-e-t-2-

Question Number 204992 by Akira181 last updated on 05/Mar/24 $$\mathrm{Is}\:\mathrm{there}\:\mathrm{any}\:\mathrm{way}\:\mathrm{to}\:\mathrm{integrate}: \\ $$$$\int\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{ln}\left({x}\right)}}\:{dx} \\ $$$$\mathrm{without}\:\mathrm{hitting}\:\mathrm{the}\:\mathrm{Gauss}\:\mathrm{error}\:\mathrm{function} \\ $$$$\mathrm{or}\:{e}^{{t}^{\mathrm{2}} } \:\mathrm{and}\:{e}^{−{t}^{\mathrm{2}} } \:? \\ $$ Answered by TonyCWX08…