Category: Relation and Functions

Question Number 73487 by abdomathmax last updated on 13/Nov/19 $$let\alpha and\beta rootsoftheequation{x}^2-x+2=0$$$$simplify{A}_p={\alpha }^p+{\beta }^{p}andcalculate$$$$\sum_{{p}=\mathrm{0}} ^{{n}−\mathrm{1}} \:{A}_{{p}} \:\:{and}\:\sum_{{p}=\mathrm{0}} ^{{n}−\mathrm{1}} \:\:{A}_{{p}} ^{\mathrm{2}} \…

Question Number 73485 by abdomathmax last updated on 13/Nov/19 $$findtherootsofP\left(x\right)={(1+ix+{jx}^2)}^n-1$$$$withj=e^{i\frac{2\pi }{3}}thenfactorizeP\left(x\right)insideC\left[x\right]$$$$decomposethefractionF=\frac{1}{P}$$ Terms of Service Privacy Policy Contact:…

Question Number 73411 by mathmax by abdo last updated on 11/Nov/19 $$calculate$$$$1)cos(1+i),sin(1+3i)$$$$2)arctan\left(i\right),arctan\left(2i\right),arctan(1+i),arctan(1-i),$$$$arctan(1+2i).$$$$3)haveusconj\left(arctanz\right)=arctan\left(\stackrel{-}{z}\right)?$$ Commented by…

Question Number 7833 by mohitkumar88@gmail.com last updated on 18/Sep/16 $$3\frac{3}{4}\times 2\frac{2}{3}=$$ Answered by Rasheed Soomro last updated on 18/Sep/16 $$\mathrm{3}\frac{\mathrm{3}}{\mathrm{4}}×\mathrm{2}\frac{\mathrm{2}}{\mathrm{3}}=\frac{\overset{\mathrm{5}} {\mathrm{15}}}{\underset{\mathrm{1}} {\mathrm{4}}}×\frac{\overset{\mathrm{2}} {\mathrm{8}}}{\underset{\mathrm{1}} {\mathrm{3}}}=\frac{\mathrm{10}}{\mathrm{1}}=\mathrm{10}…

Question Number 73332 by mathmax by abdo last updated on 10/Nov/19 $$let{U}_n=\sum _{k=0}^n\frac{{(-1)}^k}{\sqrt{2k+1}}determineaequivalentofnwhenn\to +\mathrm{\infty }$$ Terms of Service Privacy Policy Contact: info@tinkutara.com