InterviewSolution
Saved Bookmarks
| 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` |
|