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Category: Geometry

Solve-inverse-laplace-L-1-s-s-2-6s-25-

Question Number 20156 by tawa tawa last updated on 22/Aug/17 $$\mathrm{Solve}:\:\mathrm{inverse}\:\mathrm{laplace}.\:\:\:\:\mathrm{L}^{−\mathrm{1}} \left(\frac{\mathrm{s}}{\mathrm{s}^{\mathrm{2}\:} +\:\mathrm{6s}\:+\:\mathrm{25}}\right) \\ $$ Answered by ajfour last updated on 23/Aug/17 $$\mathscr{L}^{−\mathrm{1}} \left(\frac{{s}}{{s}^{\mathrm{2}} +\mathrm{6}{s}+\mathrm{25}}\right)=\mathscr{L}^{−\mathrm{1}}…

In-rectangle-ABCD-AB-8-BC-20-P-is-a-point-on-AD-so-that-BPC-90-If-r-1-r-2-r-3-are-the-radii-of-the-incircles-of-APB-BPC-and-CPD-find-r-1-r-2-r-3-

Question Number 20131 by NECC last updated on 22/Aug/17 $${In}\:{rectangle}\:{ABCD},{AB}=\mathrm{8}, \\ $$$${BC}=\mathrm{20}.{P}\:{is}\:{a}\:{point}\:{on}\:{AD}\:{so} \\ $$$${that}\:\angle{BPC}=\mathrm{90}°.{If}\:{r}_{\mathrm{1}} ,{r}_{\mathrm{2}} ,{r}_{\mathrm{3}} \:{are}\:{the} \\ $$$${radii}\:{of}\:{the}\:{incircles}\:{of}\:{APB}, \\ $$$${BPC},\:{and}\:{CPD}.\:{find}\:{r}_{\mathrm{1}} +{r}_{\mathrm{2}} +{r}_{\mathrm{3}} \\ $$…

Question-85656

Question Number 85656 by Power last updated on 23/Mar/20 Commented by mr W last updated on 23/Mar/20 $${please}\:{don}'{t}\:{post}\:{such}\:{badly}\:{translated} \\ $$$${questions}\:{which}\:{nobody}\:{can} \\ $$$${understand}.\:{such}\:{questions}\:{just}\:{waste} \\ $$$${time}\:{of}\:{other}\:{people},\:{are}\:{therefore} \\…