(iii) If is equal to the duplicate ratio of , find x: y. contexto.140 3 years ago (iii) So we get By cross multiplication So we get
![\[\left( x\text{ }+\text{ }2y \right)/\text{ }\left( 2x\text{ }\text{ }y \right)\text{ }=\text{ }{{3}^{2}}/\text{ }{{2}^{2}}\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-ab9e8fdfef38c78535a8a8dcad0f5a59_l3.png "Rendered by QuickLaTeX.com")
![\[\left( x\text{ }+\text{ }2y \right)/\text{ }\left( 2x\text{ }\text{ }y \right)\text{ }=\text{ }9/4\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-380471dc654192a9bd37dd968b2b965d_l3.png "Rendered by QuickLaTeX.com")
![\[\begin{array}{*{35}{l}} 9\text{ }\left( 2x\text{ }\text{ }y \right)\text{ }=\text{ }4\text{ }\left( x\text{ }+\text{ }2y \right) \\ 18x\text{ }\text{ }9y\text{ }=\text{ }4x\text{ }+\text{ }8y \\ 18x\text{ }=\text{ }4x\text{ }=\text{ }8y\text{ }+\text{ }9y \\ \end{array}\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-d47c56449c2d8f50571802618fd43510_l3.png "Rendered by QuickLaTeX.com")
![\[\begin{array}{*{35}{l}}</strong> <strong> 14x\text{ }=\text{ }17y \\</strong> <strong> x/y\text{ }=\text{ }17/14 \\</strong> <strong> x:\text{ }y\text{ }=\text{ }17:\text{ }14 \\</strong> <strong>\end{array}\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-3e48d36e33834ed2884cb1c05af2cb67_l3.png "Rendered by QuickLaTeX.com")
![\[\left( \mathbf{x}\text{ }+\text{ }\mathbf{2y} \right):\text{ }\left( \mathbf{2x}\text{ }\text{ }\mathbf{y} \right)\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-ed75e1a027d87f427f09215f18bca9f6_l3.png "Rendered by QuickLaTeX.com")
![\[\mathbf{3}:\text{ }\mathbf{2}\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-2348bef8a54933523d6e79b3adc25e8d_l3.png "Rendered by QuickLaTeX.com")
