Category: Coordinate Geometry

Question Number 190263 by alcohol last updated on 30/Mar/23 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 59058 by necx1 last updated on 04/May/19 Commented by MJS last updated on 04/May/19 $$\mathrm{same}\mathrm{as}\mathrm{qu}.58377$$ Answered by tanmay last updated on…

Question Number 59000 by Learner last updated on 03/May/19 Answered by MJS last updated on 03/May/19 $$\mathrm{the}\mathrm{centers}\mathrm{of}\mathrm{the}\mathrm{small}\mathrm{circles}\mathrm{form}\mathrm{a}\mathrm{square}$$$$\mathrm{with}\mathrm{side}\mathrm{length}2r\Rightarrow \mathrm{its}\mathrm{diagonal}=2\sqrt{2}r\Rightarrow$$$$\Rightarrow \mathrm{the}\mathrm{radius}\mathrm{of}\mathrm{the}\mathrm{big}\mathrm{circle}=(1+\sqrt{2})r\Rightarrow$$$$\Rightarrow\:\mathrm{the}\:\mathrm{shaded}\:\mathrm{area}\:=\left[\left(\mathrm{1}+\sqrt{\mathrm{2}}\right){r}\right]^{\mathrm{2}} \pi−\mathrm{4}{r}^{\mathrm{2}} \pi=…

Question Number 190019 by ajfour last updated on 26/Mar/23 Commented by ajfour last updated on 26/Mar/23 $$Givenpandq.Findr.$$$$Parabolaisy=x^2.$$ Commented by mr…

Question Number 189923 by alcohol last updated on 24/Mar/23 $$\int \frac{dx}{a+btanx}$$ Answered by CElcedricjunior last updated on 24/Mar/23 $$\int \frac{\mathit{d}\mathit{x}}{\mathit{a}+\mathit{b}\mathit{t}\mathit{a}\mathit{n}\mathit{x}}=\mathit{k}$$$$\mathit{p}\mathit{o}\mathit{s}\mathit{o}\mathit{n}\mathit{s}\mathit{t}\mathit{a}\mathit{n}\mathit{x}=\mathit{t}=>\mathit{d}\mathit{x}=\frac{1}{1+{\mathit{t}}^2}\mathit{d}\mathit{t}$$$$\boldsymbol{{k}}=\int\frac{\boldsymbol{{dt}}}{\left(\boldsymbol{{a}}+\boldsymbol{{bt}}\right)\left(\mathrm{1}+\boldsymbol{{t}}^{\mathrm{2}}…