Category: Relation and Functions

Question Number 67381 by mathmax by abdo last updated on 26/Aug/19 $$letf\left(x\right)=x^{2}2\pi periodicevendevelopfatfourierserie$$ Commented by mathmax by abdo last updated on 27/Aug/19 $${f}\:{even}\:\Rightarrow{f}\left({x}\right)\:=\frac{{a}_{\mathrm{0}}…

Question Number 67378 by mathmax by abdo last updated on 26/Aug/19 $$letf\left(x\right)=x^3,2\pi periodicodd$$$$developpfatfourierserie$$ Commented by mathmax by abdo last updated on…

Question Number 67379 by mathmax by abdo last updated on 26/Aug/19 $$letf\left(x\right)=e^{-\mid x\mid }2\pi periodiceven$$$$developpfatfourierserie$$ Commented by Abdo msup. last updated on 28/Aug/19…

Question Number 67234 by prof Abdo imad last updated on 24/Aug/19 $$factorisep\left(x\right)=1+x+x^2+x^3+x^5$$$$insideC\left[x\right]andR\left[x\right]$$$$calculatep\left(e^{i\frac{\pi }{5}}\right)andp\left(cos\left(\frac{\pi }{5}\right)\right)$$ Commented by mathmax by…

Question Number 1668 by 123456 last updated on 30/Aug/15 $$\frac{f\left(x\right)+f\left(y\right)}{2}=f\left(\frac{x+y}{2}\right),\mathrm{\forall }x,y\in \mathbb{R}$$$$f\left(x\right)=?$$ Commented by Rasheed Ahmad last updated on 30/Aug/15 $$f\left(x\right)hastwoproperties:$$$$\left(\mathrm{1}\right)\:{f}\left({cx}\right)={cf}\left({x}\right)\:{for}\:{constant}\:{c}…