Category: Algebra

Question Number 186163 by Rupesh123 last updated on 01/Feb/23 Answered by Frix last updated on 01/Feb/23 $$x=\pm 4$$ Answered by aba last updated on…

Question Number 55076 by gunawan last updated on 17/Feb/19 $$\mathrm{Known}\mathrm{polynom}$$$$\mathrm{P}\left(z\right)=a_0{z}^n+a_1{z}^{n-1}+\dots +a_n\mathrm{With}$$$$\mathrm{explain}\mathrm{real}\mathrm{number}.\mathrm{If}{z}_0=3-4i$$$$\mathrm{form}\mathrm{root}\mathrm{is}\mathrm{from}\mathrm{polynom},$$$$\mathrm{then}\:\mathrm{one}\:\mathrm{other}\:\mathrm{root}\:\mathrm{defonitely}\:\mathrm{appeared} \…

Question Number 55070 by gunawan last updated on 17/Feb/19 $$\mathrm{Factorised}\mathrm{the}\mathrm{polynom}{z}^4+1$$$$\mathrm{be}\mathrm{polynom}\mathrm{with}\mathrm{lower}\mathrm{degree},$$$$\mathrm{but}\mathrm{have}\mathrm{real}\mathrm{coefficient}$$ Commented by mr W last updated on 17/Feb/19…

Question Number 55066 by gunawan last updated on 17/Feb/19 $$\mathrm{Find}\mathrm{radius}\mathrm{convergence}\mathrm{for}\mathrm{series}$$$$1-z^2+z^4-z^6+\dots$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 186124 by Rupesh123 last updated on 01/Feb/23 Commented by MJS_new last updated on 01/Feb/23 $$3^2+4^2=25\Rightarrow \mathrm{I}\mathrm{guess}y\in \{3,4\}$$$$\mathrm{with}y=4\Rightarrow x=\frac{215}{106}\pm \frac{27\sqrt{17}}{106}\mathrm{i}$$$$\Rightarrow y=3$$…