1.

यदि `x^(2)+9y^(2)=6xy` हो तो `x:y` होगाA. `1:3`B. `3:2`C. `3:1`D. `2:3`

Answer» Correct Answer - C
`x^(2)+9y^(2)=6xy`
`implies x^(2)+9y^(2)-6xy=0`
`implies x^(2)+(3y)^(2)-2xx 3y xx x=0`
`implies(x-3y)^(2)=0`
`x=3y=0`
`implies x=3y`
`:. x:y`
`3:1`


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