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Category: Arithmetic

Chapter-2-Remainder-Theorem-and-Factor-Theorem-Exercises-2-1-Remainder-Throrem-1-Find-the-remainder-when-x-8-2x-5-is-divided-by-x-1-2-Find-the-remainder-when-2x-2-13x-10-is-div

Question Number 79866 by 09264910412 last updated on 28/Jan/20 $${Chapter}\:\left(\mathrm{2}\right) \\ $$$${Remainder}\:{Theorem} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:{and} \\ $$$${Factor}\:{Theorem} \\ $$$${Exercises}\left(\mathrm{2}.\mathrm{1}\right) \\ $$$$\boldsymbol{\mathrm{Remainder}}\:\mathrm{T}\boldsymbol{\mathrm{hrorem}} \\ $$$$\mathrm{1}.\mathrm{Find}\:\mathrm{the}\:\mathrm{remainder}\:\mathrm{when}\:\boldsymbol{\mathrm{x}}^{\mathrm{8}\:} +\mathrm{2}\boldsymbol{\mathrm{x}}−\mathrm{5} \\ $$$$\mathrm{is}\:\mathrm{divided}\:\mathrm{by}\:\left(\mathrm{x}−\mathrm{1}\right).…

Given-the-function-f-x-6x-2-x-3-1-3-Find-the-oblique-assymptote-s-of-the-function-

Question Number 145286 by physicstutes last updated on 03/Jul/21 $$\mathrm{Given}\:\mathrm{the}\:\mathrm{function} \\ $$$$\:{f}\left({x}\right)\:=\sqrt[{\mathrm{3}}]{\mathrm{6}{x}^{\mathrm{2}} −{x}^{\mathrm{3}} } \\ $$$$\mathrm{Find}\:\mathrm{the}\:\mathrm{oblique}\:\mathrm{assymptote}\left(\mathrm{s}\right)\:\mathrm{of}\:\mathrm{the}\:\mathrm{function}. \\ $$ Answered by Olaf_Thorendsen last updated on 04/Jul/21…

show-that-x-R-x-1-E-x-x-

Question Number 145273 by ArielVyny last updated on 03/Jul/21 $${show}\:{that}\:\forall{x}\in\mathbb{R}\:{x}−\mathrm{1}\leqslant{E}\left({x}\right)\leqslant{x} \\ $$ Answered by mathmax by abdo last updated on 04/Jul/21 $$\mathrm{we}\:\mathrm{have}\:\left[\mathrm{x}\right]\leqslant\mathrm{x}<\left[\mathrm{x}\right]+\mathrm{1}\:\Rightarrow\left[\mathrm{x}\right]\leqslant\mathrm{x}\:\mathrm{and}\:\mathrm{x}−\mathrm{1}<\left[\mathrm{x}\right]\:\Rightarrow \\ $$$$\mathrm{x}−\mathrm{1}<\left[\mathrm{x}\right]\leqslant\mathrm{x} \\…

f-x-f-1-1-x-tan-1-x-x-0-Find-f-x-

Question Number 145190 by qaz last updated on 03/Jul/21 $$\mathrm{f}\left(\mathrm{x}\right)+\mathrm{f}\left(\mathrm{1}−\frac{\mathrm{1}}{\mathrm{x}}\right)=\mathrm{tan}^{−\mathrm{1}} \mathrm{x},\left(\mathrm{x}\neq\mathrm{0}\right) \\ $$$$\mathrm{Find}\:\mathrm{f}\left(\mathrm{x}\right)=? \\ $$ Answered by EDWIN88 last updated on 03/Jul/21 $$\left(\mathrm{1}\right){f}\left({x}\right)+{f}\left(\frac{{x}−\mathrm{1}}{{x}}\right)=\:\mathrm{tan}^{−\mathrm{1}} \left({x}\right) \\…

discussion-back-with-mr-W-consider-this-equation-x-2-2x-3-3-x-27-0-does-the-equation-have-two-roots-or-three-roots-

Question Number 79647 by john santu last updated on 27/Jan/20 $$\mathrm{discussion}\:\mathrm{back}\:\mathrm{with}\:\mathrm{mr}\:\mathrm{W}. \\ $$$$\mathrm{consider}\:\mathrm{this}\:\mathrm{equation}\: \\ $$$$\left(\mathrm{x}^{\mathrm{2}} −\mathrm{2x}−\mathrm{3}\right)\left(\mathrm{3}^{\mathrm{x}} −\mathrm{27}\right)=\mathrm{0} \\ $$$$\mathrm{does}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{have}\:\mathrm{two}\:\mathrm{roots} \\ $$$$\mathrm{or}\:\mathrm{three}\:\mathrm{roots}? \\ $$ Commented by…

if-n-gt-1-prove-that-2ln-n-ln-n-1-ln-n-1-1-n-2-1-2n-4-1-3n-6-

Question Number 79625 by M±th+et£s last updated on 26/Jan/20 $${if}\:{n}>\mathrm{1}\:{prove}\:{that} \\ $$$$\mathrm{2}{ln}\left({n}\right)−{ln}\left({n}+\mathrm{1}\right)−{ln}\left({n}−\mathrm{1}\right)=\frac{\mathrm{1}}{{n}^{\mathrm{2}} }+\frac{\mathrm{1}}{\mathrm{2}{n}^{\mathrm{4}} }+\frac{\mathrm{1}}{\mathrm{3}{n}^{\mathrm{6}} }+…= \\ $$ Answered by mind is power last updated on…

S-1-i-1-i-1-1-i-i-S-i-i-1-i-1-i-1-S-i-i-S-S-1-iS-S-1-i-1-S-1-1-i-a-Is-this-correct-b-Do-there-exist-any-other-sequences-in-the-form-of-S-a-1-a-n-a-1-a-n

Question Number 14047 by FilupS last updated on 27/May/17 $${S}=\mathrm{1}+{i}−\mathrm{1}−{i}+\mathrm{1}+… \\ $$$$\frac{\mathrm{1}}{{i}}=−{i} \\ $$$${S}={i}\left(−{i}+\mathrm{1}+{i}−\mathrm{1}−{i}+\mathrm{1}+…\right) \\ $$$${S}={i}\left(−{i}+{S}\right) \\ $$$${S}=\mathrm{1}+{iS} \\ $$$${S}\left(\mathrm{1}−{i}\right)=\mathrm{1} \\ $$$$\therefore\:{S}=\frac{\mathrm{1}}{\mathrm{1}−{i}} \\ $$$$\: \\…