Category: Coordinate Geometry

Question Number 102524 by ajfour last updated on 09/Jul/20 Commented by ajfour last updated on 09/Jul/20 $$Giventhreecirclesofradiip,q,r$$$$touchingthecoordinateaxesas$$$$shown;findequationofthecircum-$$$$circle.$$…

Question Number 36880 by Tinkutara last updated on 06/Jun/18 Commented by ajfour last updated on 07/Jun/18 Commented by ajfour last updated on 07/Jun/18 $$\mathrm{2}{h}={a}\mathrm{cos}\:\theta+{b}\mathrm{sin}\:\theta \…

Question Number 167830 by alcohol last updated on 26/Mar/22 Commented by alcohol last updated on 28/Mar/22 please help me Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 167519 by MikeH last updated on 18/Mar/22 $${\mathcal{V}}_4\mathrm{is}\mathrm{a}\mathrm{set}\mathrm{of}\mathrm{all}\mathrm{real}\mathrm{valued}\mathrm{continues}$$$$\mathrm{functions}\mathrm{defined}\mathrm{on}\mathrm{the}\mathrm{entire}\mathrm{real}$$$$\mathrm{line}\mathrm{together}\mathrm{with}\mathrm{standard}\mathrm{addition}$$$$\mathrm{and}\mathrm{scalar}\mathrm{multiplication}.\mathrm{Is}{\mathcal{V}}_4$$$$\mathrm{a}\mathrm{vector}\mathrm{space}?\mathrm{Explain}$$ Terms of Service…

Question Number 167058 by cortano1 last updated on 05/Mar/22 Answered by mr W last updated on 05/Mar/22 $${(\frac{2}{r}+\frac{1}{1}-\frac{1}{2})}^2=2(\frac{2}{r^2}+\frac{1}{1^2}+\frac{1}{2^2})$$$$\frac{\mathrm{1}}{{r}}=\frac{\mathrm{9}}{\mathrm{8}} \…