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Home • General Knowledge • Mathematics Oct 1st, 2013 at 02:39 PM

$ext {If } x/y = 3/z, ext {than the value of } 9y^2 ext {Solution: Given that,} frac {x}{y} = frac{3}{z} => frac {x^2}{y^2} = frac{3^2}{z^2} ext {[Taking squere on both side]} => frac {x^2}{y^2} = frac{9}{z^2} => 9y^2=x^2y^2$

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