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प्रश्न
Find (x + y) ÷ (x − y), if
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उत्तर
\[x = \frac{2}{7}, y = \frac{4}{3}\]
So`(x+y)÷(x+y)=(2/7+4/3)÷(2/7-4/3)`
`=34/21xx21/-22=-17/11`
So`(x+y)÷(x-y)=(-17)/11`
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