Category: Relation and Functions

Question Number 117250 by mathmax by abdo last updated on 10/Oct/20 $$\mathrm{calculate}{\lim }_{\mathrm{x}\to 0}\frac{\sin \left(\mathrm{xsh}\left(2\mathrm{x}\right)\right)-\mathrm{sh}\left(\mathrm{x}\sin \left(2\mathrm{x}\right)\right)}{{\mathrm{x}}^3}$$ Answered by AbduraufKodiriy last updated on 10/Oct/20 $$\boldsymbol{{sinh}}\left(\boldsymbol{{x}}\right)=\frac{\boldsymbol{{e}}^{\boldsymbol{{x}}} −\boldsymbol{{e}}^{−\boldsymbol{{x}}}…

Question Number 116990 by Bird last updated on 08/Oct/20 $$letA=\left(\begin{array}{c}1-1\\ 23\end{array}\right)$$$$1)calculate{A}^n$$$$2)determinecosAandchA$$$$3)determinesinAandshA$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 51185 by Abdo msup. last updated on 24/Dec/18 $$calculate\sum _{n=0}^{\mathrm{\infty }}\frac{n}{{(n+1)}^4{(2n+1)}^2}$$ Commented by Abdo msup. last updated on 30/Dec/18…

Question Number 116556 by Bird last updated on 04/Oct/20 $$letg\left(x\right)=ln\left(cos\left(ax\right)\right)$$$$developpgatfourierserie$$$$\left(arealgiven\right)$$ Answered by maths mind last updated on 05/Oct/20 $${let}…

Question Number 116376 by bemath last updated on 03/Oct/20 $$\mathrm{Let}\mathrm{f}\mathrm{be}\mathrm{a}\mathrm{function}\mathrm{defined}\mathrm{on}\mathrm{non}\mathrm{zero}$$$$\mathrm{real}\mathrm{numbers}\mathrm{such}\mathrm{that}\frac{27\mathrm{f}(-\mathrm{x})}{\mathrm{x}}-{\mathrm{x}}^2\mathrm{f}\left(\frac{1}{\mathrm{x}}\right)=-{2\mathrm{x}}^2$$$$\mathrm{for}\mathrm{\forall }\mathrm{x}\ne 0.\mathrm{Find}\to \{\begin{array}{l}\mathrm{f}\left(\mathrm{x}\right)\\ \mathrm{f}\left(3\right)\end{array}?$$ Answered by bobhans last updated on 03/Oct/20 $$\mathrm{Letting}\:\mathrm{x}\:=\:−\mathrm{y},\:\mathrm{we}\:\mathrm{get}\:…