Category: Others

Question Number 27335 by bsayani309@gmail.com last updated on 05/Jan/18 $$if2chordsofellipsehavethesame$$$$distancefromthecentreofellipse$$$$andtheeccentricangleoftheendpointsofthechords$$$$arerespectivly\alpha \beta \gamma \delta thenprovethat$$$$\tan \frac{\alpha }{2}\times \tan \frac{\beta }{2}\times \tan \frac{\gamma }{2}\times \tan \frac{\delta }{2}=1$$ Commented by bsayani309@gmail.com last updated…

Question Number 27293 by sorour87 last updated on 04/Jan/18 $$L^{-1}\left(\frac{s^3}{s^4+4}\right)=?$$ Answered by sma3l2996 last updated on 04/Jan/18 $$\frac{{s}^{\mathrm{3}} }{{s}^{\mathrm{4}} +\mathrm{4}}=\frac{{a}}{{s}−\left(\mathrm{1}+{i}\right)}+\frac{{b}}{{s}+\left(\mathrm{1}−{i}\right)}+\frac{{c}}{{s}+\left(\mathrm{1}+{i}\right)}+\frac{{d}}{{s}−\left(\mathrm{1}−{i}\right)}…

Question Number 27254 by tawa tawa last updated on 03/Jan/18 Answered by mrW1 last updated on 04/Jan/18 $$\left(a\right)$$$$\alpha =28.7-21.3=7.4°=\frac{7.4\pi }{180}\left[rad\right]$$$$\beta =38.6°$$$${R}=\mathrm{6400}\:{km} \…

Question Number 27253 by tawa tawa last updated on 03/Jan/18 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 27204 by rish@bh last updated on 03/Jan/18 $$\mathrm{if}g\left(x\right)=f\left(x\right)+f(1-x)$$$$\mathrm{and}{f}^{\left(2\right)}\left(x\right)<0$$$$\mathrm{then}\mathrm{show}\mathrm{that}$$$$g\left(x\right)\mathrm{is}\mathrm{increasing}\mathrm{in}(0,1/2)\mathrm{and}$$$$g\left(x\right)\mathrm{is}\mathrm{decreasing}\mathrm{in}(1/2,1)$$ Answered by Giannibo last…